Download the Add-in
Download the Excel Add-in to save the .msi file to your device.
Ensure you've met the requirements in the preinstallation checklist before you download the .msi file of the Add-in.
Excel Add-in version 2.6 can co-exist with Excel Add-in version 3.0
However, Excel Add-in version 3.0 and above cannot co-exist with each other.
Uninstall any previous versions you have of the Excel Add-in, apart from version 2.6, before you download a newer version.