File format not valid

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

I am having trouble opening some attachments using Excel. The message I
recieve is "file format is not valid". Any help out there?
 
Ginny said:
I am having trouble opening some attachments using Excel. The message I
recieve is "file format is not valid". Any help out there?

What kinds of files are these attachments?
 

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