I. Intro

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.

II. Steps

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.