What is the MARC file format?
A file with the .MARC extension is a file known as MAchine-Readable Cataloging (MARC) Document. This format is associated with MarcEdit Development.
The reliable way to open a .MARC 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 .MARC 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
in a nutshellFULL NAMEMAchine-Readable Cataloging (MARC) Document
DEVELOPERMarcEdit Development
CATEGORYMisc Files
Community Q&A
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