.DT File

The dt file extension is used for data files in older Macintosh operating system versions.

In computer file systems, a fork is additional data associated with a file system object. A file system might support only one fork per file or might support multiple named forks. Unlike extended attributes, which are typically limited in size, a fork can be of arbitrary size, possibly even larger than the file's data.

Files with dt file extension could be found in old Macintosh computers as part of its operating system. These files are part of the file system.

How to open:

As far as we know, these files were part of the original Macintosh OS, you cannot access them manually.

How to convert:

A conversion of this particular *.dt file type seems to be very unlikely.