.10x is Gemini 10x printer bitmap graphics
Key Features: .10X File Extension
What is an .10X file?
The 10x file extension was used in the past for some sort of bitmap image format.
Most likely some old format without support from developer. No further information could be found.
This 10x 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.