You can use Veeam Explorer for Microsoft Teams to restore posts of a team channel. When you restore posts, you can choose to restore all posts of a channel or restore posts published within a specified time period.
Veeam Backup for Microsoft 365 does not restore posts to their original location in the team channel. Instead, Veeam Backup for Microsoft 365 creates a new tab in the original channel and restores posts to this tab. If you want to restore posts to another channel, use the export operation. For more information, see Data Export.
To restore posts, do the following: