I have a file that i lost in blender maybe because blender deleted it, i have no autosave but im pretty sure it did not get overwritten, im pretty close from recovering it but when i do the missing dna block appears, mostly because of my recovery thing dmde, if anyone has a proper file recovery that does it good and doesnt cost or can make dmde recover files in other way, or that you have a tool to fix dna block issue, then i would be thankful of it, in the image is a recovered file with some file size less, which means it did not recover correctly 
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2$\begingroup$ SE sites won’t generally recommend software. Your screen shot clearly shows you do have auto-save working. Blender will not delete your files. It is unclear what you have done to cause the data loss. Why does “recover auto save...” not work for you? $\endgroup$Dúthomhas– Dúthomhas2025-11-27 22:15:17 +00:00Commented 2 days ago
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$\begingroup$ Hello and welcome. Questions requesting recommendations or links to external recovery tools are off-topic on this site. Blender itself cannot repair a corrupted .blend file. Once it is damaged or missing, there is no way to reconstruct it within Blender. You can check for autosave files or .blend1 backups, which may still contain usable data. If none of these exist, Blender cannot recover the file. $\endgroup$Harry McKenzie– Harry McKenzie ♦2025-11-28 00:54:06 +00:00Commented yesterday
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If you have a file that has some data blocks missing or corrupted and because of that is impossible to open directly, you can try append from it:
When appending from a file, you can see its internal structure and choose what you want to load from it:
You can navigate that structure and try to import any data from the file such as objects, materials, scenes and so on:
As for file recovery software, that's obviously beyond the scope of Blender Stack Exchange that is for questions and answers about using Blender and its Python API. It's simply off-topic.
