AutoCAD

How To Recover A SV File In AutoCAD?

Understanding SV Files in AutoCAD

SV files, often generated during the AutoCAD session, serve as temporary auto-save files. Their primary purpose is to protect your work by saving the drawing at regular intervals. However, there may be instances when you need to recover an SV file due to an unexpected program closure or system failure.

Steps to Recover a SV File in AutoCAD

1. Enable File Extensions

To successfully recover an SV file, ensure that your Windows Explorer is configured to display file extensions. This will allow you to see the ".sv$" suffix clearly.

  • Open Windows Explorer.
  • Navigate to the View tab.
  • Check the box for File name extensions.

2. Locate SV Files

By default, AutoCAD saves these temporary SV files in a specific directory. You can find them in:

  • C:\Temp

Alternatively, you can also check the folder specified in AutoCAD’s options for the automatic save file location.

3. Rename the SV File

Once you have found the SV file, you will need to rename the file extension from ".sv$" to ".dwg". This process will transform the temporary file into a usable drawing format.

  • Right-click on the identified SV file.
  • Select Rename from the context menu.
  • Change the extension from ".sv$" to ".dwg".
  • Confirm the change if prompted.

4. Open the DWG File in AutoCAD

After renaming, the file will be ready to open in AutoCAD.

  • Launch AutoCAD 2025.
  • Go to File > Open.
  • Navigate to the location of your renamed file and select it.
  • Click Open to access your drawing.

Tips for Efficient Recovery

  • Regular Auto-Saves: Ensure that your AutoCAD settings are configured for regular auto-save intervals. This will minimize data loss.
  • Backup Files: Familiarize yourself with AutoCAD’s backup (.bak) file system, which serves as an additional layer of protection for your drawings.
  • Recovery Location: Always remember where AutoCAD stores its temporary and backup files, allowing for quicker recovery in times of need.

Frequently Asked Questions

1. Can I recover an AutoCAD file if I didn’t save it?
Yes, as long as AutoCAD has created an auto-save file (.sv$), you can recover unsaved work following the steps outlined for renaming and opening the file.

2. What should I do if the auto-save feature is not working?
Check your AutoCAD options to ensure that the automatic save feature is enabled. Navigate to the options menu to configure the save intervals and file locations.

3. Are there any other file types I should be aware of when working with AutoCAD?
Yes, besides SV files, be familiar with BAK files (backups) and DWL files (lock files) to ensure proper file management and recovery methods during unforeseen situations.

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.