AutoCAD Tip: Centralize AutoCAD .bak Backups with MOVEBAK

Keep your project folders clean and your backups centralized with the MOVEBAK command.

What it does

• MOVEBAK sets a target folder where AutoCAD places all .bak files created during saves.
• It prevents backup clutter in your drawing directories and simplifies cleanup and retention.

When to use it

• On shared projects where multiple drawings generate many backups.
• When you want a dedicated, versioned, or monitored folder for backups (local or network).
• When IT or BIM/CAD management needs centralized backup governance.

How to set it up

1. Create a per-project folder for backups, for example:
   P:/Projects/2026-014/Backups or \\Server\CAD\Backups\2026-014
2. In AutoCAD, type MOVEBAK and press Enter.
3. Paste or browse to the backup folder path, then press Enter.
4. To revert to default behavior (store .bak next to the .dwg), run MOVEBAK and enter a single period: .

Best practices

• Use per-project or per-discipline subfolders to avoid filename collisions. BAK files keep the DWG name; centralized dumping can overwrite same-named files from different jobs.
• Confirm write permissions for all team members if the folder is on a network share.
• Document the path in your CAD standards and set it via your ACADDOC.lsp or a startup script so every session honors it.
• Keep ISAVEBAK set to 1 to ensure a .bak is created on save.
• Remember: Autosave files (.sv$) are controlled by SAVEFILEPATH and are independent of MOVEBAK. Point each where it makes sense for your recovery and IT policy.

Team and IT considerations

• Implement scheduled cleanup (e.g., keep last 30–60 days) in the backup folder to control storage growth.
• Leverage file server snapshots or cloud versioning on the backup directory for a second layer of protection.
• Include the MOVEBAK path in your AutoCAD profiles so it travels with deployments.

Quick checks

• Run MOVEBAK with no changes to verify the current path displayed on the command line.
• Perform a test Save and confirm a matching .bak appears in the target folder.
• If you change projects, reset MOVEBAK to the new project’s backup folder immediately.

Automation tip (for CAD managers)

;; Example ACADDOC.lsp snippet
(defun c:SetProjBAK ( / path )
  (setq path (getstring T "Enter project backup path: "))
  (if (and path (/= path ""))
    (command "_.MOVEBAK" path)
  )
  (princ)
)

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