MS Teams - Upload and Share files

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.