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Caroline has attended:
Excel Intermediate course
Can I calculate on dates prior to 1900?
Hi Caroline, Thank you for your post, In answer to your question, its a big No No, Excel only calculates dates from 1/1/1900, any date entered before that is not recognised and is entered as a text. I hope that helps, best regards Pete.
If you have tried to format all cells containing text even those that display text as a result of a formula you may have had difficulty. As Go to command with constant selected does not pick up formulas that result in text.
Then try this. Select the range the formula cells appear in on your sheet. Format, select Conditional Formatting menu. In the dialog box under Condition 1, select "Formula Is" from drop down. Next to it in the Formula Box, enter the formula =Istext(A1. Click Format button , choose desired formatting settings and click OK. To go ahead and apply the conditional formatting click OK to accept
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