How to Pin a File in Microsoft Teams Apr 13, 2021, 10:24 am EDT | 1 min read Microsoft Teams helps you manage your documents by providing a Files tab in every channel. Keep your critical files visible to the team at all times by pinning them to the top of this Files tab. The Files tab in a Teams channel gives you a secure place to keep files that your team needs to access, which are all backed up automatically in SharePoint. This makes the Files tab a popular place for document storage, but this convenience comes at a cost: You can no longer find files easily once you’ve got a large number of them in the list.