About Reducing the Time to Save a Drawing

An incremental save updates only those portions of an already-saved drawing file that you've changed.

When you use incremental saves, drawing files will contain a percentage of potentially wasted space. This percentage increases after each incremental save until it reaches a specified maximum, at which time a full save is performed instead.

Note: To reduce the size of a drawing file, perform a full save by setting the ISAVEPERCENT system variable to 0 temporarily before saving.