Copy-MbTeamsWiki

This PowerShell script lets you copy any Teams Wiki from Standard og Private Channels to any other Channel.
(It might work with Shared Channels to, but I never tested that.)

How to use:

1.  Open Teams.
2.  Right-click, and copy link to the tab in the Channel where the Wiki is located.
        This is your sourceUrl.
3.  Either, Create a new Teams Wiki tab in the target Channel and copy the link, or copy the link to the Channel (Right-click in left menu!).
        This is your targetUrl. (I recommend doing the former option...)

$SourceUrl = "https://teams.microsoft.com/l/channel/19%3Addb24db9b083441871a99e09148f6dc4%40thread.tacv2/tab%3A%3A95527d65-6cef-4b31-9f68-c21e396444df?groupId=85081890-f758-4db1-b946-a32fe4bec50f&tenantId=0bb2172-822f-4467-a5ba-5bb375967c05"

$TargetUrl = "https://teams.microsoft.com/l/channel/19%3a12fac4bb21db4d6e8e616d0123489a93%40thread.tacv2/GR01-renamed?groupId=85081890-f758-4db1-b946-a32fe4bec50f&tenantId=0bb2172-822f-4467-a5ba-5bb375967c05"

Copy-MbTeamWiki.ps1 -SourceUrl "$"SourceUrl -TargetUrl "$"TargetUrl

This will copy Wiki from the provided source tab, to the provided target tab.

As Teams Wiki is being depricated, this script has purose for a limited amout of time.
Therefore I have not spent a lot of time optimizing the script with parallelization and what not.

The script is pretty messy, but hey; if it works – don't fix it, am I right? I also only have a couple of years of experience with PowerShell, so bear with me.

"Known" issues:

• If image filename already exists, the copy will fail, and you will have to run the script all over, or skip that image.
• Some of the regex patterns are pretty jank, and they may fail if you have something unusual in your Wiki, that I haven't tested.
• Error handling could absolutely be better, but it's not like any enduser is going to run this script anyway.
• Host output could also be better.

Created by me, Magnus Børnes @ Norwegian University of Science and Technology, August 2023.