Follow these steps to install and setup the MeaningCloud Add-in for Excel 365 in your Excel 365 Desktop or Excel 365 Online and start working.
First, get MeaningCloud's add-in from the Microsoft AppSource. In order to do it, just search and install it in the Microsoft AppSource directly or open your spreadsheet and click on Insert > Get add-ins...
This will lead you to a dialog that allows you to search for add-ins in Microsoft AppSource. To find MeaningCloud's add-in, just use the search box on the upper-left corner.
Just click on Continue to finish the add-in installation. If you go back to your spreadsheet, MeaningCloud's add-in should appear as MeaningCloud in a new tab.
MeaningCloud Excel 365 Add-in can be removed as any other add-in in Excel 365: Go to the tab Insert and click on My Add-ins. In this new window, go to My Add-ins tab, right-click the MeaningCloud Add-in and select Remove.