I’ve got some older equipment and sometimes I play with it.
USB mass storage on MS-DOS
Despite the fact that DOS lacks native USB support, it is definitely possible to run a USB flash drive under MS-DOS with USBASPI drivers.
Reading data from old MiniScribe hard disk
I managed to read the data from '84 MFM hard drive MiniScribe 2012 by plugging its controller into the AT motherboard with ISA slots. The data was successfully copied to USB flash memory.
How to convert MS Word for DOS documents to modern format
I demonstrate how to use the WinWord Converter API and Application Note GC1039 to convert MS Word for DOS and other legacy formats to well-supported RTF format. I provide an example application and describe the process of conversion in detail.