If you use Word or Excel to edit a document or spreadsheet on your iPad, you can make use of add-ins. Here is how to install and use add-ins in Microsoft Word and Excel for iPad so that you can ...
If you can insert the watermark, close the Word window and go to File > Options > Add-ins. Then, select COM Add-ins and click the Go button. Remove the tick from all checkboxes and click the OK button ...