Open $? file

$? file icon Did your computer fail to open $? file? We explain what $? files are and recommend software that we know can open your $? files.

What is $? file?

A $? file extension is related to the TR-DOS ZX Spectrum file in HOBETA format. Probably obsolete file format.

$? file description

The $? file extension is related to the TR-DOS ZX Spectrum file in HOBETA format.

TR-DOS is a disk operating system for ZX Spectrum with Beta disc and Beta 128 disc interface. TR-DOS and Beta disc were developed by Technology Research Ltd (UK), in 1985. Most disk releases for ZX Spectrum (especially modern programs) are made for TR-DOS.

Software that will open $? file

XZX-Pro

A portable emulator of ZX Spectrum


What file extension actually is?

Simply put, file extensions are the characters after the dot in the file name, so for example filename.mp3 has file extension „mp3“. This helps Windows to identify which program should be used to open the file.

We can help you to open your file

Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.

Only original software

Every software listed in our database is verified and ve provide link to the developer or to the software own website, which should hopefuly be enough for you to download the most recent version of the program.