Files with fir extension can be usually found as firmware updates for certain models of Canon EOS digital cameras.

There is one other file type using
the FIR file extension!

empty icon.fir - FireOne fireworks show file

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FIR file extension - Canon Digital Camera EOS firmware

What is fir file? How to open fir files?

File type specification:

Various data file type icon Various data file type

File extension fir is mainly used for a special firmware update format for Canon EOS Digital Cameras.

You can import this type of fir files to the EOS camera through USB cable with Canon EOS firmware update utility.

Updated: August 5, 2022

Help how to open:

The only way to work with these files would be to use it for updating of firmware on your Canon camera.

How to convert:

Firmware updates usually cannot be converted to anything else.

Related links:

Canon utilities

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