In-depth overview of Private channels in Teams explains the difference between standard channels and private channels, controls for team owners, IT Admin for private channels and finally explains the security & compliance for private channels.

1. Overview of Private channels in
Microsoft Teams
By ,
NarasimaPerumal Chandramohan
Co-Founder, JiJi Technologies Private Limited
Microsoft Office365 MVP
@narasimapermal
MS Teams webinar learning series from Office 365 and Power Platform user group –India

2. Demo

3. Private channels
Focused private collaboration within a team
Teams
Standard
Channel
Open
collaboration
within the team
Inherits full
membership list
from the team
Private
Channel
Focused private
collaboration
within the team
Managed subset of
members from team
Creation
 Admins can control via policies who can create private channels in tenant
 Team owners can control via setting if members can create
private channels
 Limited to 30 private channels per team at launch (in addition to 200
standard channels)
Membership
 Private channel owners can add members and guests to a private channel
 Only existing members and guests in the team can be added to a
private channel
 Only members of the private channel can view private channel content
 Limited to 250 members per private channel at launch

4. Channel owners and settings

5. Team owners and private channels
Private
channel
information
Team owner
can see
Team members
can see
Name and
description
All private
channels in the
team
Only when added
to the private
channel
Conversations
and tabs
Only when added
to the private
channel
Only when added
to the private
channel
Files and content Only when added
to the private
channel
Only when added
to the private
channel

6. Apps in private channels

7. Regular Channels Private Channels
Apps Yes No
Connectors Yes Yes
Tabs Yes Yes
Bots Yes No
Wiki Yes No
Planner Yes No
Messaging Extensions Yes No
Generate email of Channel Yes Yes
Channel Meetings Yes No
Admin Management of Policies Yes Yes
Create Channel via Mobile Yes No

8. Administration

9. Demo

10. PowerShell – Turn On/Off Private channel

11. PowerShell & Graph API
Graph API PowerShell Commands
POST /teams/{id}
GET /teams/{id}/channels
PATCH /teams/{id}/channels/{id}
DELETE /teams/{id}/channels/{id}
New-TeamChannel
Get-TeamChannel
Set-TeamChannel
Remove-TeamChannel
Graph API PowerShell Commands
POST /teams/{id}/channels/{id}/members
GET /teams/{id}/channels/{id}/members
PATCH /teams/{id}/channels/{id}/members
DELETE /teams/{id}/channels/{id}/members
Add-TeamChannelUser
Get-TeamChannelUser
Remove-TeamChannelUser
Channel creation
Channel membership

12. Microsoft Teams Architecture

13. Private Channel Architecture

14. Files in private channels

15. Private Channel – Group Mailbox

16. Private Channel Meetings

17. Site management
Get-SPOSite -Limit ALL -Template "TEAMCHANNEL#0"
Get all sites backing private channels in tenant
Default site membership groups and permissions

18. Site - Membership

19. Information Protection
Group Mailbox
(message
compliance copy)
PC message
compliance
copy
PC message
compliance
copy
…
Team
Private
Channel
Channel site
(documents)
Team Site
(documents)
User mailbox User mailbox User mailbox
Standard
Channel

20. eDiscovery - Chat

21. eDiscovery Chat

22. eDiscovery - Files

23. eDiscovery - Files

24. eDiscovery Demo

25. DLP – Private Channel

26. Audit Logs – Private Channel

27. Audit Logs

28. Retention Policy – Private Channel

29. Sensitivity Labels – Private Channel

31. Life cycle management
Team Action Result
Change settings of the Team or Private Channel from
within Teams
Subsequent changes after creation of private channel are
currently not sync'ed to SharePoint*
(except membership, lifecycle and classification labels)
Delete Team containing private channels Deletes all the private channels
Remove references to the SharePoint site.
SharePoint private channel site is deleted.
Archive Team containing private channels Archives the whole team and private channels including
SharePoint
Restore Team containing private channels Private channel is restored. SharePoint site is restored as well.
Restore Private Channel after Deletion Available

32. References
https://www.jijitechnologies.com/blogs/microsoft-teams-private-
channel
https://docs.microsoft.com/en-us/microsoftteams/private-channels

33. Thank you.
Q & A
Microsoft Teams learning
https://www.linkedin.com/groups/10547195/

34. Governance in Microsoft Teams
22nd May, 6 PM IST
https://www.meetup.com/Microsoft-365-and-Power-Platform-User-group-
India/events/270599558/
MS Teams webinar learning series from Office 365 and Power Platform user group –India