They are legacy from Excel converted sheets and I don’t know where or who they are. They are non-working but probably have a value in the cell I need to keep using. And they could be in any of the 9-10 sheets in the file. I just want to quit getting the alert every time I open these spreadsheets that there are cells linked to some other spreadsheet. I always respond Not To Update but I want them unlinked. Ver 5.4.3.2 on Win 10 system.
It should be available on Menu/Edit/Links - Break link selecting all links.