Files with iby extension are associated with Symbian OS. They are used as some related files.
Software that open iby file
IBY file extension - Symbian ROM Image Component Include file
What is iby file? How to open iby files?
File type specification:
The iby file extension is used related to a special Symbian ROM Image Component Include format used in Nokia phones. These files are used to specify the file location in the ROM image when build the phone ROM image.
Most likely no longer used as Symbian is slowly fading out of market.
List of recommended software applications associated to the .iby file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open iby file, edit iby file, convert iby file, view iby file, play iby file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with iby file - Symbian ROM Image Component Include file
Click on the software link for more information about Symbian OS. Symbian OS uses iby file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).