AutoCAD

How to Do Undo in AutoCAD?

Understanding the Undo Function in AutoCAD

When working on intricate designs in AutoCAD, it’s common to make mistakes or change your mind about specific actions. The Undo function is a powerful tool at your disposal, allowing you to revert changes efficiently.

Accessing the Undo Command

To utilize the Undo command effectively, you have multiple options:

  1. Using the Command Line:

    • Simply type “UNDO” into the command line and press Enter. This will prompt you to confirm your intention to undo actions.
    • You can respond with "Yes" to undo all actions from the current session or "No" to continue without making any changes.
  2. Shortcut Keys:

    • Press Ctrl + Z to quickly revert the last action. This is the most immediate way to use the undo feature.
    • If you want to redo an action after undoing it, use Ctrl + Y.
  3. Exploring Options for Multiple Undo Actions:
    • If you wish to undo several actions at once, type “UNDO” followed by the number of actions you want to revert. For example, entering "3" will undo the last three actions.

Locating the Undo Button

In the AutoCAD interface, the Undo button is typically located in the bottom left corner of the workspace. If you want to customize its position:

  1. Navigate to a different corner of your interface.
  2. Select the Undo option from the available list and close the panel after making your selection.

Understanding the Purpose of the Undo Command

The primary purpose of the Undo command is to allow users to backtrack through a series of actions made in a drawing session. Each command that has been executed can be undone in reverse order until you reach your desired point in the design process. This enables greater flexibility and control over your workflow.

Difference Between Undo and Redo

While the Undo command takes you backward one action at a time through your drawing history, the Redo function allows you to move forward again after an undo. This sequence enables you to navigate through changes smoothly, giving you the freedom to experiment without the fear of making irreversible errors.

Additional Tips: Using OOPS Command

Apart from the standard Undo command, AutoCAD offers an OOPS command that serves a specific function:

  • OOPS Command: This command will instantly restore the last object that was deleted. You can even use it after creating blocks, which might erase selected objects during the block creation process.

Frequently Asked Questions

1. Can I undo actions from previous sessions in AutoCAD?
No, the Undo command only works for actions made within the current session. Once you close the file or the application, the history is lost.

2. Is there a shortcut for undoing multiple steps quickly?
Yes, typing “UNDO” followed by a number in the command line allows you to specify how many actions you want to undo at once.

3. What should I do if the Undo command is not functioning correctly?
If the Undo command doesn’t seem to be working, ensure you have not closed your session or restarted your design. If issues persist, restarting AutoCAD can help reset the functionality.

About the author

Wei Zhang

Wei Zhang

Wei Zhang is a renowned figure in the CAD (Computer-Aided Design) industry in Canada, with over 30 years of experience spanning his native China and Canada. As the founder of a CAD training center, Wei has been instrumental in shaping the skills of hundreds of technicians and engineers in technical drawing and CAD software applications. He is a certified developer with Autodesk, demonstrating his deep expertise and commitment to staying at the forefront of CAD technology. Wei’s passion for education and technology has not only made him a respected educator but also a key player in advancing CAD methodologies in various engineering sectors. His contributions have significantly impacted the way CAD is taught and applied in the professional world, bridging the gap between traditional drafting techniques and modern digital solutions.