I am trying to recover 2 types of files for a recovery job. One is an old Quattro Pro file with an extension of .qpw and the other is a Flash file with an extension of .fla (not .flv).

I found some documentation for the .fla file and created the following for use with PhotoRec:

extension offset header signature
fla 0 0xD0CF11E0A1B11AE100000000000000000000000000000000

This is my first time using a PhotoRec custom signature, so the above may not be the correct format.

I have not had any luck with finding documentation on the .qpw file. The most I have found is related to a different file type associated with Quattro.

Does anyone here know the correct signatures to use for recovering these 2 file types? I have researched this quite a bit, but have found very little.

I suggest to use Winhex / Easy recovery instead. You can add customer signatures easily.

as TaskManager said winhex

u can 1st. chk ur working files for file signature and those you wanted are well known u should not have any problem finding it if not exists on winhex then scan using the pre-defined extensions u wanted

good luck

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Kuwait Data Recovery - UNIX GTC
The only reason for time is so that everything doesn't happen at once. By: Albert Einstein

I may have the original software. I know I have the original manuals. Would that help?

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A backup a day keeps DR away.

I recommend you to try R-Studio. The article Creating a Custom Known File Type for R-Studio explains how to find a correct file signature, and its help Customizing File Types explains how to add it to R-Studio.

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R-Studio Data Recovery Software