How to upload and share files in Microsoft Teams

Attach a file from a channel

1. In a channel, on the right side of a message box, click the + button, then Attach file.

2. Select how you want to attach it:

   • Attach recent files from the list. 

   • Attach cloud files: Attach files from a team or channel, or from a OneDrive for Business account.

   • Upload from this device: Upload files saved on your device.

3. Select a file > Open.

4. If you'd like, add a message and @mention someone in your post.

5. Select Send.

Upload a file to the Shared tab

Every channel has a Shared tab. You'll find everything that's been shared there.

1. Select Upload > Attach cloud files or Upload from this device.

2. Choose your files.