XnViewMP - integration - file association

[user0]

XnViewMP 1.8.6 64bit
Windows11 (24H2), display resolution 3840x2160, win scaling 150%

General - Integration

How to Set File Associations
for windows 10 and above

1. Register app in the system

• run XnViewMP with admin rights

• press 'Set file associations...' (in Settings > Integration)
  to create ProgID keys in registry (HKCR hive)

  Code: Select all

  XnViewMP.arw
  XnViewMP.avif
  XnViewMP.bmp
  XnViewMP.cr2
  XnViewMP.cr3
  XnViewMP.crw
  XnViewMP.cur
  XnViewMP.dds
  XnViewMP.dng
  XnViewMP.emf
  XnViewMP.exr
  XnViewMP.gif
  XnViewMP.hdr
  XnViewMP.heic
  XnViewMP.heif
  XnViewMP.ico
  XnViewMP.iff
  XnViewMP.jfif
  XnViewMP.jif
  XnViewMP.jp2
  XnViewMP.jpc
  XnViewMP.jpe
  XnViewMP.jpeg
  XnViewMP.jpg
  XnViewMP.jxl
  XnViewMP.jxr
  XnViewMP.nef
  XnViewMP.pbm
  XnViewMP.pcd
  XnViewMP.pcx
  XnViewMP.pef
  XnViewMP.pgm
  XnViewMP.pic
  XnViewMP.png
  XnViewMP.ppm
  XnViewMP.psd
  XnViewMP.raf
  XnViewMP.ras
  XnViewMP.rle
  XnViewMP.rw2
  XnViewMP.sld
  XnViewMP.srf
  XnViewMP.tga
  XnViewMP.tif
  XnViewMP.tiff
  XnViewMP.webp
  XnViewMP.wmf
  XnViewMP.xbm
  XnViewMP.xpm
  

• (OPTIONAL) additional ProgID keys can be added manually
  if you associate a filetype with application and there is no corresponding ProgID in the registry,
  the application icon and default filetype description will be used.
  
  If you want to use custom icon/filetype description you can add new ProgID, eg ABC filetype
  update paths to match your case

  Code: Select all

  Windows Registry Editor Version 5.00
  
  [HKEY_CLASSES_ROOT\XnViewMP.abc]
  @="ABC Bitmap file"
  
  [HKEY_CLASSES_ROOT\XnViewMP.abc\DefaultIcon]
  @="D:\\PROG\\portable\\graphic\\XnViewMP\\FileIcons\\generic.ico"
  
  [HKEY_CLASSES_ROOT\XnViewMP.abc\shell\open\command]
  @="\"D:\\PROG\\portable\\graphic\\XnViewMP\\xnviewmp.exe\" \"%1\""
  

  HKCR_XnViewMP.abc_reg.zip

2. Set File Associations

• use any method to set associations:
  • via Windows
    - Settings > Default apps
    - Context menu > Open with
  • via 3rd party app
    - SetUserFTA 1.8.2 (free Personal edition)

    Code: Select all

    SetUserFTA.exe xnAssociations.txt

    Code: Select all

    .arw, XnViewMP.arw
    .avif, XnViewMP.avif
    .bmp, XnViewMP.bmp
    .cr2, XnViewMP.cr2
    .cr3, XnViewMP.cr3
    .crw, XnViewMP.crw
    .cur, XnViewMP.cur
    .dds, XnViewMP.dds
    .dng, XnViewMP.dng
    .emf, XnViewMP.emf
    .exr, XnViewMP.exr
    .gif, XnViewMP.gif
    .hdr, XnViewMP.hdr
    .heic, XnViewMP.heic
    .heif, XnViewMP.heif
    .ico, XnViewMP.ico
    .iff, XnViewMP.iff 
    .jfif, XnViewMP.jfif
    .jif, XnViewMP.jif
    .jp2, XnViewMP.jp2
    .jpc, XnViewMP.jpc
    .jpe, XnViewMP.jpe
    .jpeg, XnViewMP.jpeg
    .jpg, XnViewMP.jpg
    .jxl, XnViewMP.jxl
    .jxr, XnViewMP.jxr
    .nef, XnViewMP.nef
    .pbm, XnViewMP.pbm
    .pcd, XnViewMP.pcd
    .pcx, XnViewMP.pcx
    .pef, XnViewMP.pef
    .pgm, XnViewMP.pgm
    .pic, XnViewMP.pic
    .png, XnViewMP.png
    .ppm, XnViewMP.ppm
    .psd, XnViewMP.psd
    .raf, XnViewMP.raf
    .ras, XnViewMP.ras
    .rle, XnViewMP.rle
    .rw2, XnViewMP.rw2
    .sld, XnViewMP.sld
    .srf, XnViewMP.srf
    .tga, XnViewMP.tga
    .tif, XnViewMP.tif
    .tiff, XnViewMP.tiff
    .webp, XnViewMP.webp
    .wmf, XnViewMP.wmf
    .xbm, XnViewMP.xbm
    .xpm, XnViewMP.xpm
    

    xnAssociations_SetUserFTA.zip

ref
Guide to Understanding ProgIDs and File Type Associations
Windows Application Registration Guide
How to configure file associations for IT Pros





Related

• general
  XnViewMP - integration - file association (current post)

• suggestions
  - done -
  Settings - integration - improve win file associations (1.8.4)

[xnview]

i don't know why Windows doesn't add correct keys in registry...

[FKCapitalism2]

With portable version of XnViewMP i did not even have key "HKEY_CURRENT_USER\SOFTWARE\Classes\Applications\xnviewmp.exe". Solution "A" fixed my problem described here.