Add and use a Wiki tab in Teams
support.microsoft.com › en-us › officeEvery channel comes with a Wiki tab. To add a whole new Wiki tab, select Add a tab next to the other tab names in the channel. Select Wiki from the tab gallery. Name the tab and start writing. Write content for your Wiki tab. A Wiki tab comes with all the usual formatting options, such as bold, italic, and underlined text, highlighting, headers ...