Using FileCloud for Outlook with an On-Premises Exchange Server

FileCloud for Outlook can be installed for use with an on-premises Microsoft Exchange Server using the installation instructions on this page.

Currently supported features in Exchange Online vs. On-Premises Exchange

Note that currently, certain features available when using FileCloud for Outlook with Exchange Online are not available when using it with the on-premises Exchange Server as shown in the table below.

Specifically, on-premises Exchange Server currently supports Mailbox requirement set 1.5 or earlier, which does not support these features. In the future, if on-premises Exchange Server supports requirement set 1.8 or higher these features will become available.

Feature	Exchange Online	On-Premises Exchange	Notes
Save attachments to FileCloud	✅ Available	❌ Unavailable	Footer displays "Saving attachments is not supported in this version of Outlook." in place of the folder controls, Save button, and Edit Attachment List button.
Automatic upload of attachments	✅ Available	❌ Unavailable	Does not run, even with a default folder set and Auto-Upload enabled.
Attach a file from FileCloud to an email	✅ Attaches as a real file	⚠️ Attaches as a link	On-premises skips the file/link chooser and shows: "This version of Outlook does not support attaching files. Files will be attached as links instead."
Upload & Share	✅ Available	✅ Available	No difference.
Browsing, search, Recent, Starred, settings	✅ Available	✅ Available	No difference.

To install FileCloud for Outlook for use with an on-premises Exchange Server:

Go to https://store.office.com/app/download?assetid=WA200008392
A page of raw XML is returned.
Save the raw XML.
Go to the Exchange admin center at https://[your exchange server]/ecp
In the navigation pane, click Add-ins.
Click + above the list of add-ins, and choose Add from file.
Click Choose File and choose the manifest file you saved.
Click Next.
Click Install.
Once the file is installed, click Save.
The FileCloud for Outlook add-in is now available in Outlook.
Click the icon at the bottom of an opened message to open the add-in: