Corel Presentation Exchange File 5.0

Readable

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The Corel Presentation Exchange file format is the presentation format of the CorelSuite applications. It is a recording of the display primitives of an application to a display interface. The CMX format supports Intel and Motorola binary formats.

Identify it

Extensions	`.cmx`
Signatures	`524946` at byte 0 (Corel Metafile Exchange Image (16 bit))
PRONOM	`x-fmt/34`
Wikidata	`Q59820792`

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Open it

LibreOfficeOpen sourcereads · MPL-2.0
Corel Presentationsreads and writes
Visio Standard 5.0reads

Convert it

To	With	Fidelity	Command and losses
OpenDocument Graphics file format family	LibreOffice	Partial	`soffice --headless --convert-to odg in.cmx` Layout may shift; macros and some features are not kept.
PDF	LibreOffice	Partial	`soffice --headless --convert-to pdf in.cmx` Fixed layout: the document is no longer editable.

Sources

From Converters (FFmpeg, ImageMagick, Pandoc, LibreOffice), PRONOM, Wikidata. Updated 2026-10-20.

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