Embird embroidery software supports even some older formats like BMC, so is probably your best bet to convert these files to Tajima DST.
Convert Embroidery graphic file to Tajima Embroidery format.
We have found 2 software records in our database eligible for .bmc to .dst file format conversion.
Microsoft Windows software - convert bmc to dst on Windows
Embird Embroidery Software that can resize, split, edit, display, print and convert embroidery designs.
Convert from bmc file
to dst file
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned bmc to dst. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Multiplatform software - convert bmc to dst on any platform
Embroidermodder 2 is the advanced version of the popular free embroidery software that gives users plenty of tools to create awesome stitching designs.