what is xlsm' file

  • Thread starter Thread starter Donna
  • Start date Start date
D

Donna

i made a duplicate of my 2008 excel file and saved as 2009 and now I get a
message converting xlsm' file what does is mean?
 
It is a MS Office 2007 Excel file extension. The 'm" simply means there is
a Macro or Code with the Worksheet.

Bob M.
 
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