Cisdem Duplicate Finder for Windows FAQs

1. What is the difference between the free trial and registered version?

You can scan, preview, locate and hide duplicates both in trial version and registered version, but in trial version you cannot delete all the selected duplicates with one click.

2. What's the difference between duplicate images and simialr images?

If the images are considered as duplicate images, it means those images are identical, they have the same format, same size, same resolution and same content.

If the images are identical or similar in content, but different in size, resolution or format, they will be considered as similar images.

3. How to scan multiple folders at a time?

After you installed and launched Duplicate Finder for Windows, Ctrl-click multiple folders you want to scan, drag-n-drop to Duplicate Finder for Windows. Click Scan button start to scan.

4. I cannot preview the duplicate images that Cisdem scanned out, why?

Cisdem only supports previewing some certain image formats, including png, jpg, jpeg, bmp, tga, jp2, jpg2000, tif, tiff, webp, hdr, arw, bay, bur, ccr, crw, cr2, cr3, dcr, dng, drw, erf, fff, iiq, k25, kdc, mef, mrw, mos, nef, nrw, orf, pef, pff, prw, raf, ra, rwl, rw2, sr2, srf, srw, x3f, heic, heif, avif.

5. After deleting the duplicate files, the remaining storage space remains same as before, why?

You will need to go to the Recyble Bin and clear all the files there, then the space will be released.

6. I run the program, but the program's window does not display completely, what should I do?

It should be caused by the display settings, you can double-click the blank space at the top of the scan result window to auto adjust the window size, then the window will be displayed completely.

7. Why can't I drag and drop the folders into Cisdem?

For some Windows OS, the drag and drop function is not available, you can click the + button instead to add the folders instead.

8. Why can't Cisdem Duplicate Finder detect the duplicate songs?

Maybe these songs are considered as duplicates by you, but technically they aren't duplicates. These songs may have the same name or looks like the same song, but there probably a difference in content, that's why Cisdem does not detect them.

9. Can Duplicate Finder for Windows detect duplicate folders?

Yes, Cisdem Duplicate Finder can detect duplicate images, videos, musics, documents, other files and folders.

10. How to change removal selection with the duplicates?

Click the set button at the right upper corner before scanning, select the Selection option, you can select duplicates removal rules and similar removal rules as your requirement.

11. I need to scan a large number of files, what can I do to make it scan faster?

You can go to the settings of Cisdem Duplicate Finder> Similar Image, uncheck the option Enable Similage Images Function, then try to scan again. If this option is unchecked, Cisdem will only detect duplicate files, not the similar images, and the scan speed will be much faster.

12. Can I undo the deletion?

No, once the deletion is completed, it cannot be undone.

13. Can I save the scan result?

Yes, when you close the program, it will pop up a window to ask you to save the scan result or not, if you choose to save it, you can directly import the scan result and delete the duplicate files next time you launch the program.

14. I have a lot of duplicate photos on my Windows, why Cisdem only deleted a few duplicate photos?

To protect the security of users photos, Cisdem will only mark the exact duplicate photos for deletion, for the similar photos, we suggest that users can manually mark them for deletion after carefully checking.

If you want to auto select similar images for deletion as well, you can navigate to Similar Images tab, press Ctrl+A to select all the similar photos, and then choose a proper selection rule on the right side.