XnView Software

XnViewMP 1.6.5 64bit
Windows11 (23H2), display resolution 3840x2160, win scaling 150%

Viewer - rename
cannot rename file with unrecognized extension

To reproduce:
1. have image with unrecognize (or without) ext, eg test.jpg123
2. open folder in Browser
file shows as image thumb - OK
offtop: but not sure why it works when Settings > (Browser) File list > ☑ Recognize only by extension
3. open file in Viewer
image opens correctly
4. press F2
nothing happens, no rename dialog appears




Related

• issues
  1.4.5 - viewer - error renaming video
  - fixed -
  1.6.5 - viewer - cannot rename file with unrecognized extension (1.8.1) current post

Thanks to your detailed description I can reproduce the problem.

This problem is supposed to be fixed in XnView MP 1.8.1. Please check and confirm the bug fix here.

fixed in 181