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"I'm running short of disk space lately, and when I try to delete the temp files and folders in C drive, I also found a couple of big BAK files of AutoCAD there. What is a .bak file? Can I delete the .bak file without losing AutoCAD files?"
What is a .bak file? Can you delete the .bak file
Some applications generate .bak files for file backup purposes, such as AutoCAD, Notepad++, Google Chrome, Word, Outlook Express, SQL Server, WhatsApp, Windows, etc. In computing, .bak is a filename extension commonly used to signify a backup of a file.
Deleting backup files with .bak appendix won't affect the original files that saved on your computer. However, if you accidentally deleted a file and need an instant deleted file recovery, we don't encourage you to delete any .bak file in case of data recovery in the future.
Download the best .bak file recovery software for free
So if you've lost both original files and .bak files of AutoCAD, Notepad ++ or even SQL Server, how can you recover .bak files?
It seems that some data recovery software can replace the role of a backup file when a deleted file needs to be recovered. In fact, it's not like that. A backup file, including .bak file, allows 100% possibility to restore what users lost from a specific program, while data recovery software gets some restriction when the lost or deleted files were overwritten by new data.
Thus, it's significant to download a reliable .bak file recovery software to restore deleted or corrupted .bak file as soon as possible. EaseUS Data Recovery Wizard is chosen as the most trustworthy data recovery software that helps recover lost .bak files for over a decade.
Recover deleted, corrupted or damaged .bak file with EaseUS .bak file recovery software
To undelete .bak file or extract .bak files from inaccessible devices, EaseUS Data Recovery Wizard will help with a simple and fast method.
Just get this .bak file recovery software free download and apply below steps to extract and restore .bak file on your own now:
Step 1. Choose the exact file location and then click the "Scan" button to continue.

Step 2. After the process, select the "Deleted Files" and "Other Lost Files" folders in the left panel. Then, you can apply the "Filter" feature or click the "Search files or folders" button to find the deleted files.

Step 3. Click the "Recover" button and save the restored files – ideally, it should be different from the original one.

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Brithny is a technology enthusiast, aiming to make readers' tech life easy and enjoyable. She loves exploring new technologies and writing technical how-to tips. On her spare time, she loves sharing things about her favorite singer - Taylor Swift on her Facebook or Twitter.

Author Jean has been writing tech articles since she was graduated from university. She has been part of the EaseUS team for over 5 years. Her special focuses are data recovery, disk partitioning, data space optimization, data backup and Mac OS. By the way, she's an aviation fan!
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EaseUS Data Recovery Wizard is a powerful system recovery software, designed to enable you to recover files you’ve deleted accidentally, potentially lost to malware or an entire hard drive partition.
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EaseUS Data Recovery Wizard is the best we have seen. It's far from perfect, partly because today's advanced disk technology makes data-recovery more difficult than it was with the simpler technology of the past.
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EaseUS Data Recovery Wizard Pro has a reputation as one of the best data recovery software programs on the market. It comes with a selection of advanced features, including partition recovery, formatted drive restoration, and corrupted file repair.
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