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On 06/03/2012 06:37 PM, Dennis E. Hamilton wrote:
The speculative responses to this suggestion are very amusing.

I tried it.  After all, computing is an empirical science [;<).

Here is what happened when I renamed a .xls to .xlsx:

  "Excel [2010] cannot open the file '<longname>.xlsx' 
  because the file format or file extension is not valid.  
  Verify that the file has not been corrupted and that the 
  file extension matches the format of the file."

LibreOffice 3.3.2 Calc was perfectly happy to open the file correctly as the .xls that it 
actually is.

I renamed a .doc to .docx and got this message from Word 2010:

  "Word cannot open the file because the file format does not
   match the file extension.  (\\Whs\...Spec9-copy.docx)"

LibreOffice 3.3.2 Writer was also successful in importing the file without complaint.

I leave renaming .ppt to .pptx as an exercise.

 - Dennis

Interesting, Excel and Word get confused by the change but Writer and
Calc do not. I do not advocate changing file extensions. I would have
thought the opposite would occur, MSO no problem and LO confused.

-----Original Message-----
From: Andreas S├Ąger [] 
Sent: Sunday, June 03, 2012 13:04
Subject: [libreoffice-users] Re: Is 3.5.4 ready for business users?

Am 03.06.2012 20:14, Felmon Davis wrote:
I am curious: what happens if one just changes the file extension from
.doc to .docx?


Brilliant idea! This way you get much better results while the WinWord 
user will not notice any difference at all.

Jay Lozier

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