Office 2003 SP3 Blocks Older File Formats

Update:  Microsoft has made it easier to unblock the blocked file formats.  There are three methods, one of which is a downloadable update that automatically re-enables all the blocked file types.


Service Pack 3 for Microsoft Office 2003 blocks many older file formats. These include:

  • Corel Draw, .cdr
  • Some Lotus files, .wk1, .wk3, .wk4, .wks
  • Powerpoint files older than PPT 97
  • Word files that are older than Word 6.0 for Windows

There is a workaround if you want to re-enable access to these formats.



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