"Get Add-Ins" - Which Version of Outlook to use


New Member
Outlook version
Outlook 2019 64-bit
Email Account

We currently have a Microsoft 365 for Family account and we have installed Outlook on our Home PC desktop. We use gmail for our personal account, and our business emails are set up on Google Workspace. I am able to monitor my personal email, as well as my office emails (multiple mailboxes) on the desktop outlook using IMAP. It works really well for us.

We use a 3rd party software that has been installed using Com Add-In. This software is ending support by end of year.

This 3rd party software says it's new version is available for Outlook on Windows 2019 with this note - Outlook should be connected to Office 365, Outlook.com or Exchange 2016+.

I am not able to install the new version on our current Desktop Outlook. The "Get Add-ins" button is greyed out. I have gone through support articles and checked the relevant Account Privacy options.

The question is: How do we fix this? Do we need to change our Outlook Desktop to Microsoft 365 for Business? I have a spare license that we have not been using and could use it. I have tried Outlook on the Web and but cannot use IMAP for Gmail. What do we need to do to fix this issue, without losing Google Workspaces based Emails.

Thank you.

Diane Poremsky

Senior Member
Outlook version
Outlook 2016 32 bit
Email Account
Office 365 Exchange
Outlook should be connected to Office 365, Outlook.com or Exchange 2016+.
That means you need to use an Exchange account - it won't work with google accounts.

The office addins only work with office 365 accounts - either business accounts or outlook.com. If you have both office 365 and IMAP in the profile, the addins only work in the 365 account.

Do we need to change our Outlook Desktop to Microsoft 365 for Business?
No, that won't work. If you use the addin with the workspace account, you'd need to move the mailboxes to office 365 hosting.
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