To set Microsoft SharePoint as the only cloud storage option for all teams, you need to use the Teams admin center to disable the third-party cloud storage services. Here are the steps to follow:

Sign in to the Teams admin center with your Microsoft 365 username and password1.

In the left navigation, go to Org-wide settings > Services & add-ins.

Under Cloud file storage, click Manage.

In the Cloud file storage pane, turn off the toggles for Box, Dropbox, Google Drive, and Citrix ShareFile. This will disable these services for all teams and users in your organization.

Click Save.

Now, Microsoft SharePoint will be the only cloud storage option for all teams. Users will be able to access SharePoint files from the Files tab in each team channel or from the Files app on the left side of Teams.

To ensure that when users dial emergency numbers, the call is routed based on the user’s current location, you need to enable the external location lookup mode in Teams. This mode allows Teams to use the location services of the device’s operating system to suggest an emergency address for the user. The user can then confirm, edit, or enter a new address, which will be used to route the emergency call to the appropriate Public Safety Answering Point (PSAP). Here are the steps to follow:

Sign in to the Teams admin center with your admin credentials.

Go to Voice > Emergency policies.

Select Add.

Enter a name for the emergency calling policy, for example, “E911WFH”.

Turn on External location lookup mode.

Select Apply to create the policy.

To assign the policy to the users who need it, go to Users on the left menu and select the users that you want to apply the policy to. You can use the filters or the search box to find them.

On the right pane, under Policies, select Edit next to Emergency calling policy.

Choose the policy that you created from the drop-down list and click Apply.

To ensure that only users from litwareinc.com can be added to Teams as guest users, you need to configure the guest access settings in Azure Active Directory (AAD). Here are the steps to follow:

Sign in to the Azure portal with your admin credentials.

Go to Azure Active Directory > External identities > External collaboration settings.

Under Collaboration restrictions, select Allow invitations only to the specified domains (most restrictive).

In the Allow invitations to these domains box, enter litwareinc.com. You can also add more domains if you want, separated by commas.

Click Save to apply the settings.

That’s it. You have successfully restricted the guest access in Teams to a specific domain. This means that only users with email addresses from litwareinc.com can be invited as guests to your teams. You can also prevent guests from being added to a specific team by using sensitivity labels1 or PowerShell2.

To prevent users from deleting messages posted in private chats and channels, you need to manage the messaging policies in Teams. Here are the steps to follow:

Sign in to the Teams admin center with your admin credentials.

Go to Teams apps > Messaging policies.

Select the policy that you want to modify, such as the global (Org-wide default) policy or a custom policy.

Turn off the following settings: Owners can delete sent messages, Users can delete sent messages, and Users can edit sent messages.

Click Save to apply the changes.

To ensure that when users join a meeting by using a phone, they are prompted to record their name, you need to enable the meeting entry and exit notifications in the Teams admin center. Here are the steps to follow:

Sign in to the Teams admin center with your admin credentials.

Go to Meetings > Conference Bridges.

At the top of the Conference Bridges page, select Bridge settings.

Enable the Meeting entry and exit notifications toggle.

Choose Names for the Entry/exit announcement type.

Turn on the toggle for Ask callers to record their name before joining a meeting.

Click Save to apply the settings.

To provide only Adele Vance with the ability to turn on and off Teams preview features, you need to create and assign a custom update policy for her. Here are the steps to do so:

Sign in to the Microsoft Teams admin center with your Microsoft 365 username and password1.

In the left navigation, go to Teams > Teams Update policies.

Select Add to create a new policy or select an existing policy to open Update policy.

Name the update policy, add a description, and select Enabled from the drop-down menu for Allow public preview. This option enables Teams Public Preview regardless of whether a user is enrolled in Office Current Channel (Preview). The end user must also opt in to Teams public preview in their Teams app2.

Click Save and then Close.

In the left navigation, go to Users and then search for Adele Vance from the list of users.

In the user details page, go to Policies and then click Edit next to Assigned policies.

In the Assigned policies pane, under Update policy, select the policy that you created or modified in step 4 from the drop-down menu.

Click Apply and then Close.

Now, Adele Vance can turn on and off Teams preview features by following these steps in her Teams app3:

Select the three dots to the left of your profile to display the Teams menu.

Select About > Public preview.

Select Switch to Public preview or Switch back to standard version.

To add a disclaimer to all Teams meeting invites, you can use the Exchange admin center to create a mail flow rule that applies the disclaimer to meeting requests. Here are the steps to follow:

Sign in to the Exchange admin center with your Microsoft 365 username and password1.

In the left navigation, go to Mail flow > Rules.

Click Add (+) and then select Create a new rule.

In the New rule pane, enter a name for the rule, such as “Meeting disclaimer”.

Under Apply this rule if, select A message header includes any of these words.

In the Specify header name box, enter X-MS-Exchange-Calendar-Meeting-Request. This is a special header that identifies meeting requests2.

In the Specify words or phrases box, enter True. This means that the rule will apply to any message that has the header set to True.

Click Add and then OK.

Under Do the following, select Append the disclaimer.

In the Specify disclaimer text box, enter the disclaimer text that you want to add to the meeting invites, such as:

Disclaimer: This meeting may be recorded for quality and training purposes.

Click Enter text and then OK.

Under Choose a mode for this rule, select Enforce.

Click Save.

Now, when you or anyone in your organization schedules a Teams meeting, the disclaimer will be added to the meeting invites automatically.

To ensure that the Approvals app is pinned to the top of the app bar of the Teams client for all members of the Retail team, you need to create a custom app setup policy and assign it to the Retail team members. Here are the steps to follow:

Sign in to the Teams admin center with your admin credentials.

Go to Teams apps > Setup policies.

Select Add.

Provide a name and description for the policy, such as Retail App Policy.

Optionally, turn on User pinning to allow users to pin apps and change the order of the pinned apps.

Under Pinned apps, select Add apps.

Search for the Approvals app and add it to the list of pinned apps. You can also add other apps that you want to pin for the Retail team members.

Click Save to create the policy.

To assign the policy to the Retail team members, go to Users on the left menu and select the users that belong to the Retail team. You can use the filters or the search box to find them.

On the right pane, under Policies, select Edit next to App setup policy.

Choose the Retail App Policy from the drop-down list and click Apply.

To configure the Teams meeting invites of Allan DeYoung to show a dial-in bridge number in Toronto and then a dial-in bridge number in Paris, you can use the Teams admin center to set the phone numbers included on his invites. Here are the steps to follow:

Sign in to the Teams admin center with your Microsoft 365 username and password1.

In the left navigation, go to Users and then select Allan DeYoung from the list of users.

In the user details page, go to Meetings and then click Edit next to Audio Conferencing.

In the Audio Conferencing pane, under Phone numbers, select Customized from the drop-down menu.

In the Customized phone numbers box, enter the phone numbers that you want to include on Allan’s invites, separated by commas. For example, you can enter:

+1 416-555-1234 (Toronto), +33 1 55 55 55 55 (Paris)

Click Save and then Close.

Now, when Allan DeYoung schedules a Teams meeting, his invites will show the Toronto and Paris dial-in bridge numbers in the body of his invites, in the order that you specified.

To enable shared channel collaboration with microsoft.com, you need to use the Teams admin center to configure the channel policy and the cross-tenant access settings. Here are the steps to follow:

Sign in to the Teams admin center with your Microsoft 365 username and password1.

In the left navigation, go to Teams > Teams update policies.

Select an existing policy or create a new one by clicking Add.

In the Update policy pane, under Shared channels, turn on the toggles for Allow shared channel creation and Allow external shared channel participation. This will allow users to create shared channels and participate in shared channels created by microsoft.com.

Click Save and then Close.

In the left navigation, go to Org-wide settings > External access.

Under Cross-tenant access settings, click Manage settings.

In the Cross-tenant access settings pane, under Shared channels, select Allow specific domains and then enter microsoft.com in the box below. This will allow users to invite Microsoft contacts to shared channels created by your company.

Click Save.

Note: You also need to make sure that microsoft.com has configured their cross-tenant access settings to allow shared channel collaboration with your domain. See Collaborate with external participants in a channel2 for more details.

To ensure that only users that are assigned the Global Administrator, User Administrator, or Guest Inviter roles can invite guest users to your company’s tenant, you need to configure the external collaboration settings in the Microsoft Entra admin center. Here are the steps to follow:

Sign in to the Microsoft Entra admin center with your admin credentials.

Expand External identities, and then select External collaboration settings.

Under Guest invite settings, choose Only users assigned to specific admin roles can invite guests.

Select Save to apply the settings.

To ensure that a team named US Sales automatically contains all the users that have the department attribute set to Sales, you need to create a dynamic team based on Azure AD group dynamic membership rules. Here are the steps to follow:

Create a new team in Microsoft Teams as you would to create a normal team. Name it US Sales. If the team already exists, you can skip this step.

Sign in to the Azure portal with your admin credentials.

Go to Azure Active Directory > Groups. Find the group that corresponds to the US Sales team and select it.

On the group details page, select Properties on the left menu and change the membership type to Dynamic user. Click Save.

On the same page, select Dynamic membership rules on the left menu and add an expression that dynamically retrieves the users that have the department attribute set to Sales. In this case, the expression is user.department -eq "Sales". Click Save.

That’s it. You have successfully created a dynamic team for US Sales. This means that only users with the department attribute set to Sales will be added or removed from the team automatically. You can also modify the expression to include other criteria, such as location, job title, or manage

To ensure that all unused teams expire and are deleted automatically, you need to configure a Microsoft 365 group expiration policy. This policy applies to teams because they are backed by groups. Here are the steps to follow:

Sign in to the Microsoft 365 admin center with your admin credentials.

Go to Groups > Expiration.

Turn on the Enable expiration toggle.

In the Group lifetime box, enter 365 days or select it from the drop-down list. This means that the teams will expire 365 days from their creation date.

In the Select group types to apply the policy section, check the Teams box. You can also select other group types if you want.

In the Choose how to handle owners of groups without owners section, enter adminLOD-Se551723.onmicrosoft.com as the email address to receive notifications for the expiration of orphaned teams. You can also add more email addresses if you want.

Click Save to apply the policy.

That’s it. You have successfully configured a group expiration policy for teams. This policy will automatically delete the teams that are not renewed by their owners before the expiration date. You can also view and restore the deleted teams within 30 days from the Deleted groups page in the admin center.

To ensure that users can perform the following actions:

Record Teams calls and Teams meeting.

Transcribe Teams calls and Teams meeting.

You need to do the following:

Turn on the recording and transcription settings in the Teams admin center. This will allow users to start and stop recording and transcription during a meeting or call. The recording and transcription will be stored in OneDrive or SharePoint and available in the meeting chat or channel conversation. For more details, see Record a meeting in Microsoft Teams.

Turn on the transcription and captions settings in the Teams admin center. This will enable automatic transcription and captions for meeting recordings. Users can play back the recordings with closed captions and review the transcript in the Recording & Transcripts tab in Teams. For more details, see Configure transcription and captions for Teams meetings.

Turn on the live transcription settings in the Teams admin center. This will allow users to view live transcription during a meeting or call. Users can also download the transcript after the meeting or call. For more details, see View live transcription in Microsoft Teams meetings.

To prevent incoming Teams call notifications when users are already on a Teams call or in a Teams meeting, you can use the Teams admin center to enable the Mute notifications during meetings and calls option. This option will suppress the incoming call notifications without rejecting the call. The caller will still hear the ringing tone and the callee can still answer the call from the Teams app or the taskbar. Here are the steps to enable this option:

Sign in to the Teams admin center with your Microsoft 365 username and password1.

In the left navigation, go to Teams > Teams update policies.

Select an existing policy or create a new one by clicking Add.

In the Update policy pane, under Meetings and calls, turn on the toggle for Mute notifications during meetings and calls.

Click Save and then Close.

Note: You can assign different update policies to different users or groups of users. For more information, see Manage update policies in Microsoft Teams2.

To deploy the Microsoft Viva Connections app to Teams and install the app as the first item on the app bar of the Teams client for all users, you need to use the Teams admin center and PowerShell. Here are the steps to follow:

Sign in to the Teams admin center with your Microsoft 365 username and password1.

In the left navigation, go to Teams apps > Manage apps.

Click Upload and then select the Viva Connections app package that you created using PowerShell2. If you have not created the app package yet, you can follow the instructions in this article to do so.

After uploading the app package, click on the app name and then click Publish.

In the left navigation, go to Teams apps > Setup policies.

Select an existing policy or create a new one by clicking Add.

In the Setup policy pane, under Installed apps, click Add apps and then select the Viva Connections app from the list.

Drag and drop the Viva Connections app to reorder it as the first item on the app bar.

Click Save and then Close.

To assign the setup policy to all users, you can use PowerShell to run the following cmdlet:

Get-CsOnlineUser | Grant-CsTeamsAppSetupPolicy -PolicyName "YourPolicyName"

Replace “YourPolicyName” with the name of the policy that you created or modified in step 6.

Note: It may take up to 24 hours for the changes to take effect.

Now, you have deployed and installed the Microsoft Viva Connections app to Teams as the first item on the app bar for all users.

To acquire a dedicated Microsoft dial-in bridge number from either 431 or 343 area codes in Canada, you need to use the Teams admin center to request and assign a service number. A service number is a type of phone number that can handle hundreds of simultaneous calls and is used for services such as audio conferencing, auto attendants, and call queues. Here are the steps to follow:

Sign in to the Teams admin center with your Microsoft 365 username and password1.

In the left navigation, go to Voice > Phone numbers.

Click Add (+) and then select New service numbers.

In the New service numbers pane, select the country or region as Canada, the number type as Toll or Toll-free, and the location as Manitoba (for 431 area code) or Ontario (for 343 area code).

Enter the quantity of numbers that you need and then click Next.

Review your order details and then click Submit request.

Wait for an email confirmation that your request has been processed. This may take up to 24 hours.

After you receive the confirmation email, go back to the Teams admin center and click Refresh on the Phone numbers page. You should see the new service numbers that you requested.

To assign a service number to your audio conferencing bridge, go to Meetings > Conference bridges and then click Edit next to Default toll or toll-free number.

In the Edit default toll or toll-free number pane, select one of the new service numbers that you acquired from the drop-down menu and then click Apply.

Now, you have acquired and assigned a dedicated Microsoft dial-in bridge number from either 431 or 343 area codes in Canada.

To prevent guest users from calling your company’s Teams users, you need to turn off the calling capability for guests in the Teams admin center. Here are the steps to follow:

Sign in to the Teams admin center with your admin credentials.

Go to Users > Guest access.

Turn off the Make private calls setting. This will disable the peer-to-peer calling feature for guests.

Click Save to apply the changes

To configure a virtual receptionist for your company’s main office, you can use the Teams admin center to create and assign an auto attendant. An auto attendant is a voice menu system that allows callers to be transferred to an extension or a queue without speaking to an operator or receptionist. Here are the steps to create and assign an auto attendant that meets your requirements:

Sign in to the Teams admin center with your Microsoft 365 username and password.

In the left navigation, go to Voice > Auto attendants.

Click Add (+) to create a new auto attendant.

In the Basics tab, enter a name and an optional description for the auto attendant, such as “Main Office Receptionist”.

Under Phone number, select Assign and then choose a service number from the list or click Add new number to get a new one. A service number is a type of phone number that can handle hundreds of simultaneous calls and is used for services such as audio conferencing, auto attendants, and call queues.

Click Apply and then Next.

In the Greeting and menu tab, under Greeting, select Custom and then click Upload audio file to upload a recorded greeting message for the callers, such as “Welcome to Microsoft. Please listen carefully to the following options.”

Under Menu options, click Add (+) and then select Key press from the drop-down menu.

In the Key press box, enter 1 and then select Dial by name from the Action drop-down menu. This will allow callers to press 1 for the company directory to lookup by name.

Click Add (+) again and then select Key press from the drop-down menu.

In the Key press box, enter 0 and then select Play audio file from the Action drop-down menu. This will allow callers to press 0 to hear the company address.

Click Upload audio file and then upload a recorded message with the company address, such as “Our main office is located at 1 Microsoft Way, Redmond.”

Under Menu options, turn on the toggle for Repeat menu until caller hangs up or presses #. This will offer the same menu at all times.

Click Next.

In the Business hours tab, under Business hours, select 24/7 from the drop-down menu. This will make the auto attendant available at all times.

Click Next.

In the Review tab, review your settings and then click Save.

Now, you have configured a virtual receptionist for your company’s main office that meets your requirements.

To restrict external Teams communication for both calling and personal chat to only organizational users that use the microsoft.com domain, you need to use the Teams admin center to configure the external access settings. Here are the steps to follow:

Sign in to the Teams admin center with your Microsoft 365 username and password.

In the left navigation, go to Org-wide settings > External access.

Under External access, turn on the toggle for Users can communicate with other Skype for Business and Teams users.

Under Cross-tenant access settings, click Manage settings.

In the Cross-tenant access settings pane, under Calling and chat, select Allow specific domains and then enter microsoft.com in the box below. This will allow your users to communicate with Microsoft users via calling and chat.

Click Save.

Note: You also need to make sure that microsoft.com has configured their external access settings to allow communication with your domain. See Communicate with users from other organizations for more details.

References:

https://docs.microsoft.com/en-us/microsoftteams/teams-client-update

https://docs.microsoft.com/en-us/microsoftteams/manage-guests

A Microsoft Calling plan requires an additional license. The three cmdlets in this answer assign a phone system license to the user, assigns a phone number to the user and enables the user for Enterprise Voice.

https://docs.microsoft.com/en-us /microsoftteams/assign-change-emergency-location-user

To preserver electronically store information (ESI), you can put selected users or all users on legal hold to make sure that all message interchange are discoverable by the organization's compliance manager or teams admins. This has to be done in the Microsoft 365 Compliance center, creating a case to set the legal hold.

https://docs .microsoft.com/en-us/microsoftteams/messaging-policies-in-teams

Microsoft Teams admin center > Org-wide settings > Guest access > Make private calls = off.

Create information barrier segments first, then create information barrier policy based on the segments then start the information barrier application.

https://docs.microsoft.com/en-us/microsoft-365/a dmin/create-groups/compare-groups?view=o365-worldwide

https://docs.microsoft.com/en-us/azure/active-directory/b2b/delegate-invitations

https://docs.microsof t.com/en-us/microsoftteams/manage-external-access https://doc s.microsoft.com/en-us/azure/active-directory/b2b/allow-deny-list

http://blog.schertz.name/2019/07/cus tomizing-microsoft-teams-meeting-invitations/

https://docs.microsof t.com/en-us/microsoftteams/cloud-recording