ISAVEBAK system variable
Incremental save backup
Specifies the creation of a backup file (BAK). Improves the speed of incremental saves if switched off, especially for large drawings.
| Type: | Boolean  | 
                     
| Saved in: | Registry  | 
                     
| Default value: | On  | 
                     
| Possible values: | 
                            Off (0): Don’t create BAK file On (1): Create BAK file  |