When comparing GrepWin vs Copernic Desktop Search, the Slant community recommends GrepWin for most people. In the question“What are the best Windows tools for finding files?” GrepWin is ranked 7th while Copernic Desktop Search is ranked 11th. The most important reason people chose GrepWin is:
GrepWin is completely free and open source. It's released under GPL.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free and open source
GrepWin is completely free and open source. It's released under GPL.
Pro RegEx support
Pro Portable Version
A portable version without installation is available.
Pro Can search hidden directories/files
GrepWin can also search for hidden directories or files with no problem.
Pro Even includes Outlook .PST files
Reliably indexes and searches huge Outlook message stores (10GB or more). You can then filter by to/from, folder, content string, etc.
Pro Searches content, not just names
Cons
Con Can only search .txt files
Con No way to export the results
If one wishes to export the results from grep
into a text file or any other format, there's no way to do it with GrepWin.
Con No result ranking
Despite allegedly being on the cusp of offering a ranking of the search result (since v.4.0), as of 7.0 this fundamental feature is still lacking.
Con Annual subscription
Since the launch of its 7.0 version, you now have to buy an annual subscription to use the software.