Alldup helps Windows users locate and manage duplicate files across internal drives, external disks and network folders. The interface focuses on quick setup and clear results, letting you scan by filename, size, dates or full binary comparison to reduce false matches and free up storage without guesswork. Searches support multiple comparison methods, including CRC/MD5 signatures and byte-by-byte checks, plus flexible masks and folder filters so you can target photos, documents or media collections. Results show previews, size totals and grouping, and you can choose safe actions such as move to folder, send to recycle bin, rename, or create hard links. Save scan profiles, export reports and run scheduled scans to keep large libraries tidy. A straightforward alldup duplicate file finder download and setup takes just minutes, with built-in logs and undo options to protect data during cleanup. Whether you are a photographer, office user or system administrator, the tool streamlines organization and reclaims disk space on Windows. See the how to delete files in alldup help topics and step-by-step guides for recommended workflows and best practices.


Aleks Dunkan
OMG, AllDup is an absolute lifesaver! I had thousands of duplicate files and didn’t know how to deal with them. This app made it sooo easy! I can't believe how quickly it sorted everything out. Totally recommend it to everyone!
sergluda70
4 stars for AllDup. The duplicate finder does what it promises! Cleaning up my files was a breeze, although I wish it could do a bit more with my cloud storage. Still worth it overall!
Maksim Shatov
I really like how AllDup helped me find and delete duplicates. The program is easy to use and worked well for my needs. Would definitely recommend, just watch for any tweaks needed. Very satisfied!