What is the RE2 file format?
A file with the .RE2 extension is a file known as NEK5000 Mesh. It belongs to the 3D Image Files category. This format is associated with Argonne National Laboratory.
The reliable way to open a .RE2 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 .RE2 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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