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by palaremzi
Fri Sep 30, 2011 1:19 am
Forum: Scientific Word/Workplace
Topic: Filter not valid error
Replies: 0
Views: 22905

Filter not valid error

I've created the attached file using SWP but now when I try to open it gives me this message: "The file is not valid for the selected filter". I've tried to open it with LyX and WinEdt but no luck!

The file is part of my lecture notes and took me quite a while to prepare, I don't want to rewrite ...