IPTC/XMP
The following are supported for writing of IPTC/XMP data directly to the file. (Note: all formats can have IPTC/XMP data written to the database (for searching and all other DBGallery funcationality), but not necessarily to the image file itself. That full list of supported formats can be viewed here.)

Photo Files

• Most Camera RAW Formats
  
• DNG (Digital Negative)
  
• GIF (Graphic Interchange Format)
  
• JPEG
  
• JPEG 2000
  
• PNG (Portable Network Graphics)
  
• TIFF (Tagged Image File Format)
  
• AI (Adobe Illustrator Artwork)
  
• EPS (Encapsulated PostScript)

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Please Note: For audio, video, and pdf files, not all files belonging to each extension can be written to. Various factors come into play for these file types, such as version, codec, etc.

Audio Files

• MP3
  
• WAV
  
• M4A

Video

• AVI
  
• MPG
  
• WMA
  
• SWF

Video - QuickTime

• MOV
  
• M4V
  
• M2V
  
• MP4
  
• Sorenson MOV

Other

• PDF