Wikis are being retired from Microsoft Teams. Microsoft plan to retire them in mid-February 2023, but this date may change.
When Microsoft make the change, a banner will appear at the top of your wiki with a button which will allow you to easily export your wiki to OneNote, which provides a better editor and more flexibility. We will provide more information when Microsoft make the change.
You will still be able to edit existing wikis, but we strongly recommend you move them to OneNote, as Microsoft are likely to completely retire wikis in the future.
You should create a new OneNote document instead. To do this: