NOTE: Autosave files are deleted automatically when AutoCAD is closed normally. The file is removed as soon as the program terminates normally or abruptly. It stores information regarding recent changes in the AutoCAD project and helps undo or redo changes. Lastly, the temporary file (.ac$) does not contain any drawing data. Thus, any recent unsaved changes to the drawing or design may not be restored. But these files are generally one version older. The backup and autosave file helps recover lost, corrupt or deleted AutoCAD drawing and drafting files. The ‘autosave’ feature is enabled by default and thus, an autosave file (.ac$) is created automatically as soon as you open or create a new drawing file in AutoCAD.īoth the backup (.bak) and autosave (.ac$) files are saved at the same location where the. But the backup file is created only if you have set the system variable ISAVEBAK to 1 in AutoCAD. The backup file (.bak) is created when you manually save a design, drawing, or drafting file (.dwg). When you open or create a new project in AutoCAD, it creates three additional files besides the original.
How AutoCAD Saves Drawing or Drafting Files? If you have recently lost or accidentally deleted your AutoCAD drawings or drafting files in Windows 10, follow this detailed guide to recover your lost AutoCAD drafting files quickly.
#Autocad drawing recovery software
It takes extensive efforts and time to draft drawings and designs on AutoCAD, which are saved by the software on your system storage. AutoCAD is a powerful computer-aided design and drafting software used by professionals such as architects, project managers, engineers, graphic designers, etc.