Celeb Glow
general | February 28, 2026

Unzipping files using winzip in command prompt

I am trying to unzip the files from an archive called wz_test at the command prompt, using the following command:

wzunzip -d c:\wz_test.zip c:\new

I am not able to unzip because it's saying that the file was blocked due to security zones. I tried to unblock the zip file but it's not working. It's not letting me to unblock it even though I have administrator rights.

1

4 Answers

Place the ZIP file in quotes.

wzunzip -d "c:\wz_test.zip" c:\new

I had the same problem, (with underscore in my file name,) by doing the above, i solved my problem.

Let us know if you need any additional information.

That may contains password if you have that password the use option -s. wzunzip -s123456789 c:\wz_test.zip c:\new

Had a similar problem. The underscores (blanks in windows) was not processing correctly. I put the files in a directory without an underscore and it worked fine.

(I'm executing WZUnZip in an execute process in a n SSIS package.)

The above did not solve my problem. I re-processed my files and the error reappeared.

The error is caused when files are received by Email or downloaded from the Internet. Windows does its own settings here.

  • Right click your ZIP File
  • go to properties
  • click on "Unblock"

once you have done the above, the file will unzip.

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