Upload a new version of a file that was shared with you in collaboration mode, or any sent file located under the Sent files filter.

1. Tap beside the file.
2. Tap Upload new version.
3. Tap on the file that you want to upload as a new version.
   Your default device file manager will open.
4. To notify recipients, select Notify recipients.
5. In the Subject area, edit the email subject.
6. In the Add a personal message box, add a personal message.
7. Tap Upload.