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Forum currently supports:

Image types: .png (with alpha transparency), .jpg, .jpeg, .tif, .tiff, .jp2 / jpeg 2000, .cr2, .gif, .psd, .ai, .bmp, .eps, .nef, .svg, multi-page tiffs

Video types: .asf, .flv, .f4v, .qt, .mov, .mpg, .mpeg, .avi, .wmv, .mp3, .mp4, .m4v, .3gp, .mv4

Audio types: .mp3, .wav

Document types: .doc, .ppt, .xls, .pdf, .docx, .pptx, .xlsx

File Size Upload Recommendations

There is no limit to the file sizes that can be uploaded, however we do recommend keeping batch uploads to under 20GB.

If average image size is… Maximum # of images per batch to keep size under 20GB
5MB 4,096
10MB 2,048
20MB 1024
30MB 682
40MB 512
50MB 409


Image Quality Recommendations


  • High resolution (300 pixels or higher);
  • Tiffs
  • At least 3000 pixels on the longest side.


  • 72 dpi
  • 1024 on the longest side.