How to recover CAD files by mistake? 10-day hot topics and practical solutions on the entire network
Recently, the discussion on data recovery across the Internet has remained high, especially for the error deletion of CAD design files. This article will combine the hot contents of the past 10 days to structure the CAD file recovery method and provide practical suggestions.
1. Top 5 popular data recovery topics on the entire network (next 10 days)
| Ranking | Topic keywords | Search volume index | Main Platforms |
|---|---|---|---|
| 1 | CAD automatically saves file location | 18,700 | Zhihu/B site |
| 2 | Recycle bin clear recovery | 15,200 | Baidu/Tiktok |
| 3 | Professional data recovery software | 12,800 | CSDN/Taobao |
| 4 | Hard disk format recovery | 9,500 | Tieba/WeChat |
| 5 | Cloud backup CAD files | 7,300 | Weibo/Xiaohongshu |
2. Four core methods of CAD file recovery
Method 1: Check CAD automatic backup file
AutoCAD automatically saves backup files (.bak or .sv$) every 10 minutes by default, and the path is usually:
C:Users[username]AppDataLocalTemp[random folder]
| CAD version | Backup file extension | Default save interval |
|---|---|---|
| AutoCAD 2016-2023 | .bak/.sv$ | 10 minutes |
| Zhongwang CAD | .bak | 15 minutes |
| Haochen CAD | .tmp | 20 minutes |
Method 2: Use professional recovery software
The 5 most popular recovery tools in the past 10 days:
| Software name | Supported formats | Success rate | Price range |
|---|---|---|---|
| Recuva | .dwg/.dxf | 78% | Free - 199 yuan |
| Disk Drill | All CAD formats | 85% | RMB 299-899 |
| EaseUS | .dwg/.dwt | 82% | Free - 499 yuan |
Method 3: System Restore Point Recovery
If system protection is enabled, you can select the restore point before file deletion through the control panel → System and Security → System → System Protection.
Method 4: Contact a professional organization
For physically damaged hard disks, it is recommended to contact a professional data recovery agency for market quotation reference:
| Fault Type | Service price | Recovery cycle |
|---|---|---|
| Logical layer recovery | 500-2000 yuan | 2-5 days |
| Physical layer restoration | 2000-10000 yuan | 5-15 days |
3. Three essential tips to prevent mistaken deletion
1.Turn on version control: Use Git or SVN to manage CAD file versions
2.Cloud Synchronous Backup: Recommended AutoCAD Web or Baidu Netdisk automatic synchronization
3.File naming specifications: It is recommended to use the "project name_date_version number.dwg" format
4. Answers to 5 questions that users care about the most
1.Q: Can it be restored after clearing the recycling bin?
A: Yes, but you need to stop writing new data immediately and use professional tools to scan
2.Q: What should I do if the recovered CAD file cannot be opened?
A: Try using CAD repair tools (such as DWG TrueView) or contact the original author of the file
3.Q: Success rate of solid-state drive deletion recovery?
A: Due to the TRIM mechanism, the SSD recovery success rate is about 40% lower than that of mechanical hard disks.
4.Q: How to recover the CAD files viewed by your mobile phone if you accidentally delete them?
A: Use Android data recovery tool through the APP recycling bin or connecting to the computer
5.Q: Enterprise-level CAD file management solution?
A: It is recommended to use PDM system or NAS network storage + RAID array
Recent hot events show that with the popularization of BIM technology, CAD file security has become a focus of attention in the construction/manufacturing industry. It is recommended that important projects adopt the triple backup strategy of "local + cloud + physical media" and regularly check the backup integrity.
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