If you aren't authorized to share a file, you can request access permission from its owner on behalf of others, even if the owner didn't enable link sharing.
- 1.Open the file, and click Share in the upper-right corner.
- 2.Under Invite collaborators, enter the names of people or groups you want to invite in the placeholder, or click on Add people to invite.
- 3.Click on Ask owner to share in the bottom-left corner of the Share panel and set whether the person or group Can view or Can edit the file.
- 4.Feel free to leave a message to the file owner before clicking Send Request. Once the file owner approves your request, people you invited will have access to the file.