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Hello, I've been having problems printing correctly in Outlook. We use MS Professional and it's Outlook 2000. This is the problem. Whenever I print e-mails, the messages get cut off because of the left & right margins and top and bottom. Tried adjusting the margins but it doesn't seem like...

Hello, I tried doing as told but the formula =COUNTIF($A:$A;A2)=1 is not correct. I copied and pasted formula in formula box and this is the error message I get. "The formula you typed contains an error." Therefore I tried without the equal sign on the beginning and I had no error...

The following tip did not work: validation>custom and enter =COUNTIF($A:$A;A1)=1...It's giving me the same error. I'll try to be more specific and maybe this will help. I have all invoice numbers listed from column A2 to A900. THe invoice is listed from A2 because I have the title Invoice...

Hello, I'm trying to use the data validation function on EXCEL 2000 to help prevent duplicate entries but something is wrong with my formula.( I think that's the problem) I get the error message to pop up but the problem is that the error message pops up everytime I make an entry. What did I do...