[Feature Request]: Standards for Teams policies

[HappyEarthDay]

Description of the new feature - must be an in-depth explanation of the feature you want, reasoning why, and the added benefits for MSPs as a whole.

We have standards for Exchange, SharePoint, etc, but not many for Teams.

• We want to disable file and storage options that are available in the Teams Admin Center < Teams < Teams settings Files tab:
  
• We want to disable both of the options for external access under Teams Admin Center < Users < External access:
• Teams accounts not managed by an organization (this prevents CONSUMER accounts from being able to message the org - commonly used for phishing)
• Skype users
  

We'd like to be able to set the value for Choose which external domains your users have access to:

PowerShell commands you would normally use to achieve above request

https://learn.microsoft.com/en-us/powershell/module/teams/set-csexternalaccesspolicy?view=teams-ps
Set-CsExternalAccessPolicy -EnableOutsideAccess $False
Set-CsExternalAccessPolicy -EnableFederationAccess $False
Set-CsExternalAccessPolicy -EnablePublicCloudAccess $False
Set-CsExternalAccessPolicy -EnablePublicCloudAudioVideoAccess $False

https://learn.microsoft.com/en-us/powershell/module/teams/set-csteamsclientconfiguration?view=teams-ps
Set-CsTeamsClientConfiguration
[-AllowDropBox ]
[-AllowEgnyte ]
[-AllowBox ]
[-AllowGoogleDrive ]
[-AllowShareFile ]

[OfficialEsco]

Been looking into this over the last 3 months, Teams uses a rusty old API, so i've requested this #2526 which needs to be in place before we can do anything.

[github-actions]

This issue is stale because it has been open 10 days with no activity. We will close this issue soon. If you want this feature implemented you can contribute it. See: https://docs.cipp.app/dev-documentation/contributing-to-the-code . Please notify the team if you are working on this yourself.

[KelvinTegelaar]

Added in dev