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  How to fix a corrupt rar file?                                                      

A. If the file fails it sets the Recovery Record.

Step 1:
- Open winrar file corrupt. From the menu choose Repair Tool archive (Alt + R).

Step 2 : 
-Under Archive file type, depending on the compression format. Rar or. Zip that we choose appropriate.

Step 3 : 

- Click OK to begin.

- Winrar will carry out "repair archive", after the repair will create a file name fixed.xxx.rar

- Delete the original file failed.

- Rename file fixed.xxx.rar => xxx.rar

-Then proceed as normal extract.

B.If the file does not have defective set Recovery Record.

Step 1: 
-Right-click the corrupted file, select Extract files ... Check into the Keep broken files.

Step 2 :
-Click OK to proceed to extract. If the file is corrupted, The program will display an error message but the extracted data is not lost, but still exists on your computer.

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