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I created an Excel file for members of my club to share and gave them a link and allowed them to edit it. All they need to do is to enter a 'Y' or a 'N' in the cells along a row which is headed by their name. I check and archive the file every day. The file periodically gets cells filled with checkboxes although no one is inserting them and they are completely unnecessary. I have no idea how they are suddenly appearing. How can I stop this happening?
By the way, the checkboxes seem to be more suitable compared to “Y” and “N”. Maybe the worksheet format should be reconsidered.
I suspect that this is due to what is described in the thread below from the MS Techcommunity.
https://techcommunity.microsoft.com/discussions/ExcelGeneral/convert-to-checkboxes/4386135
It seems that the Online version of Excel offers the option to users (though not all) to convert Y/N into checkboxes. The user must actively choose to do so. I find it hard to believe that Excel just does this by itself and only sometimes.
Excellent answer - thanks - it has helped greatly