What is the XMS file format?
A file with the .XMS extension is a file known as Microsoft EXtended Memory Specification. It belongs to the System Files category. This format is associated with Microsoft Corporation.
The reliable way to open a .XMS 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 .XMS 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 NAMEMicrosoft EXtended Memory Specification
DEVELOPERMicrosoft Corporation
CATEGORYSystem Files
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