What is the KNN file format?
A file with the .KNN extension is a file known as Clarion Database Key. It belongs to the Database Files category. This format is associated with SoftVelocity.
The reliable way to open a .KNN 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 .KNN 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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