The .bak file extension is used by AutoCAD to store automate backups of project files (DWG, DXF file extensions). Simply rename BAK file extension to DWG or DXF and open file in the AutoCAD.
Convert Canvas drawing backup file to AutoCAD drawing.
We have found one software suitable in our database for this conversion.
Microsoft Windows software - convert bak to dwg on Windows
A drawing software used to create technical illustrations and graphics
Convert from bak file format
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.