ShareFile for Outlook Online

ShareFile for Outlook Online is a feature app available for ShareFile Advanced and Premium customers when using their Outlook Online account.

ShareFile for Outlook Online allows you to bypass file size restrictions and add security to your attachments or emails by sending them through ShareFile. You can provide a secure file upload request for co-workers, customers, and partners directly in your email.

To access the ShareFile for Outlook Online add-in, go to Microsoft AppSource.

See ShareFile for Outlook Online User Guidance for help in getting started with ShareFile for Outlook Online.

System requirements

Microsoft account requirements

  • Office 365 Mailbox
  • Exchange Online Mailbox

Outlook requirements

  • Outlook WebApp
  • Outlook for Mac 2016 or later (version 15.33 or later)
  • Outlook for Windows 2013 or later is supported
  • For more information, see Microsoft Office requirements

Use the following cookie and pop-up settings to allow ShareFile for Outlook Online to work efficiently.

Required cookies

  1. Enable third-party cookies for the following specific URLs:

  2. Enable all third-party cookies.


    For more information for specific browser cookie settings, see:

Required pop-ups

  1. Enable site specific pop-ups:

  2. Enable all pop-ups.


    For more information for specific browser pop-up settings, see:

Fixed issues

There are currently no fixed issues.

Known issues

Exchange On-Premise accounts experience an error when trying to sign in.


  • Currently personal Microsoft emails (,, are not supported.
  • Gmail accounts do not support this add-in. For Gmail accounts please use the ShareFile for Google Workspace Add-on directly from Gmail.
ShareFile for Outlook Online