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Image

What is a .max file?

A .max file is a PaperPort MAX (version 5-7). This is an image format — a picture, drawing or graphic. Confusingly, this extension has been used by 9 different formats over the years — they're all listed below.

This extension has been used by more than one format

9 different formats have claimed .max over the years, so two files with the same extension aren't necessarily the same kind of thing.

How to open a .max file

  • GIMP (free) and IrfanView open a very wide range of image formats, including obsolete ones.
  • XnView MP is the best bet for unusual or legacy image types.
  • Your operating system's built-in viewer may work for mainstream formats.

The registry records this extension against PaperPort MAX, 3DS Max, PaperPort MAX and others, so software from that family is the most likely match.

How to convert a .max file

  • Open it in GIMP or XnView and export as .png (lossless) or .jpg (smaller).

The technical record

For archivists, developers and the merely curious: these are the PRONOM registry entries for .max.

Format nameVersionMIME typePUID
PaperPort MAX5-7—fmt/1225
3DS Max——fmt/978
PaperPort MAX2—fmt/1223
PaperPort MAX8-12—fmt/1339
PaperPort MAX3-4—fmt/1224
OrCAD Layout File——fmt/1465
Digital Terrain Elevation Data——x-fmt/314
XL-Paint MaX——fmt/1658
MAKIchan Graphics File——fmt/1469

Got another one?