You can send an email to all users who have commented on a certain file. A link to the folder is automatically created in the Message field in the email message, and users who have commented on the file are automatically added to the recipient list.
This can be a quick way to contact all users who have an interest in the specific file.
Navigate to the folder or area that contains the file where you want to send an email to contributors.
Click the drop-down arrow next to the file name, then click View Details.
Click More > Send email to contributors.
The Send Email window is displayed. A link to the folder is automatically created in the Message field in the email message, and users who have commented on the file are automatically added to the recipient list.
Continue filling out the Send Email form, then click Send.