I have a workbook that is used by others and has been working reasonably well for several years. The users are youngsters who tend to play with it when a bit bored but I usually manage to put things right. They seem to have done something special this time.
The formatting for dates, time and money has gone and I cannot correct it. I have tried the usual formatting of cells, painting formats from other sheets, copying and pasting formats all to no avail. The whole sheet is effected so that new entries appear the same way although the correct format appears in the formula bar.
I don't know if this is relevant but the sheet relies on VBA form inputs. The code is password protected and only I know the password.
The PC is not connect to the internet or a network so I have ruled out a virus. (As far as I know, no floppies or USB sticks have been used on it either.)
Any ideas please?
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