CMX

File Format
Name	CMX
Ontology	Electronic File Formats Graphics CMX
Extension(s)	.cmx
PRONOM	x-fmt/34, x-fmt/35

For the album format, see Connected Media Experience.

CMX (Corel Presentation Exchange, also known as Corel Metafile Exchange) is a vector graphics format associated with Corel software such as CorelDRAW. It is designed for portability, at the expense of features. CMX is based on RIFF or RIFX.

There is also a compressed form of CMX: CCX.

Identification

CMX files start with "RIFF" or "RIFX", and have "CMX1" at offset 8.

Software

• libcdr
• LibreOffice
• XnView (preview/thumbnail image only)
• Deark (preview/thumbnail image only)

Sample files

• https://archive.org/download/CorelDraw5 → CorelDraw5_Disc1.iso → *.CMX
• dexvert samples — image/cmx

Links

• CMX file format info