.3MAP File

The 3map file extension is used for a mind map format used in older Thoughtograph program.

It seems like the development of this program ceased and it is no longer supported.

This 3map file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

How to open:

You can work with these *.3map files using Thoughtograph.

How to convert:

Probably can be exported to other formats.