Below is the list of file format which Duplicate Manager supports and not support:
JPEG, TIFF, PNG, BMP, TIF, JPG, HEIC, some RAW formats (like arw, cr2, dcr, dng, erf, iiq, kdc, mef, mos, mrw, nef, orf, pef, raf, raw, rw2, sr2, srw, x3f, etc).
GIF, ICO, JPE, WMF.
If you have any other question about this, please feel free to contact us.
Nero Support Team