Here you'll find step-by-step instructions on how to install Add-ins Collection for Outlook.
Note. Before proceeding with the installation, make sure that you closed all the windows (for example, from WinRAR or WinZip) that might have appeared because of unzipping the installation package.
To make sure that Add-ins Collection has been successfully installed, start Outlook. There will be an Ablebits tab on the ribbon:
Please make sure that you installed the add-in correctly.
Note. If you use an Office version installed from Microsoft Store, please load the add-in manually by following these instructions: How to load Add-ins Collection for Outlook in Office 365 installed from Microsoft Store.
If Ablebits Add-ins Collection is checked, uncheck it and click OK. Then open the dialog again and check the add-in.
The Ablebits tab should appear on the ribbon.