Save Office documents in OneDrive (formerly SkyDrive) or Microsoft 365, where you can use Office Online to maintain a single copy anywhere, on any device, and easily share it online.

Select Upload, select the files you want to upload, and select Open. If you don't see Upload > Folder, create a folder, and then upload the files to that folder.

And no matter where they're stored, Outlook lets you quickly choose whether to send the document as a traditional attachment or upload it to OneDrive and share a link to the file.

On the OneDrive website, sign in with your Microsoft account, and then browse to the location where you want to add the files. Select Upload. Select the files you want to upload, and then …

You can upload files to Teams on the desktop or web, and view them on your mobile device any time after that. To attach a file to a channel conversation or a chat, tap Attach below the box …

Training: Learn how to create a shareable link to make it easy to share files in a document, email, or IM.

Try it! Upload and share files to work with others in Microsoft Teams. Attach a file in a channel Select the channel you want to attach files in. In a channel, under a message box, select …

Click Documents, select the file you want from the document picker, then click Open. Click Send to share the file to your chat. GroupMe supports the following document file types for sharing: …

To attach a file to a message, tap the Plus sign next to the compose box, select Attach beneath the message box and then go to the file location. From a chat or meeting, tap the attachment …

Drag and drop the file from where it's currently located into the Teams window among the files. Select Upload,then select the file (or files) you'd like to upload, and select Open.