en enter license key (M365)
The license or trial key is entered via the graphomate property sheet. Proceed as follows:
Insert a graphomate add-in in the Excel sheet.
Move over the graphic until several symbols appear.
Select the gear wheel at the top right.
In the next step, the graphomate property sheet opens.
Navigate to the search box and enter the term 'License'.
Enter the license or trial key at this position and confirm the entry with the Enter key.
The graphomate watermark should now no longer be visible.