How to upload and share files in Microsoft Teams

Attach a file from a channel

1. In a channel, under a message box, select Attach files. Select how you want to attach it:

   • Recent: Attach recent files. 

   • Browse Teams and Channels: Attach files from a team or channel.

   • OneDrive: Select single or multiple files from a OneDrive for Business account.

   • Upload from my computer: Upload files from your device.

2. Select a file > Open.

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

4. Select Send.

Upload a file to the Files tab

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

1. Select Upload > Files or Folder.

2. Choose your files.