What is the BT3 file format?
A file with the .BT3 extension is a file known as Control Runner Button Configuration. It belongs to the Settings Files category. This format is associated with MomSoft.
The reliable way to open a .BT3 file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
We are still gathering the list of programs that open .BT3 files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
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