Hi,
Thank you for your fast reply. Do you mean conditional formatting under
format, I checked and it tells me no formatting set. Is there any place else
I can look? Thank you for taking the time to help me.

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thank you mac


"Teethless mama" wrote:

You may have a Conditional Formatting for that cell

"mac" wrote:

I have tried to change the border on all sheets in the file and it works
except for one, it will not change from black. I have no clue what to do.
Any help will be appreciated.
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thank you mac