After downloading a ZIP file, when you try to extract it, the file may fail
to extract. And instead of opening the file, you may get an error message
showing:

“Cannot open file: it does not appear to be a valid archive. If you downloaded
this file, try downloading the file again.”

In these situations, you cannot open the zip file and it may cause data loss.

This problem is commonly occurs if the HTTP or Hyper Text Transfer Protocol
compression is turned on in the properties of your website or your outlook
account if you are downloading it from outlook account. These properties are
available in the Microsoft Internet Information Services or IIS. Actually this
program changes the encoding of the file and your unzip program can’t recognize
it.

In case if you are downloading the zip file from any website then you can fix
this issue by turning off the HTTP compression. When you turn it off, the file
will be downloaded in its original encoding and your unzip program will able to
extract it.

But in case where you have downloaded the zip file from your outlook account,
you can’t fix this issue using the same method as the file is already downloaded
in your outlook account. In these situations you need to repair the corrupted
zip file to access the data.

You can repair a zip file with the help of third party data recovery software.
For repairing a zip file, there  are data recovery software are known as
zip recovery software.
These software are able to repair the corrupted zip file and extract it. After
completing the repairing process, you will be able to access the data stored in
the zip file.

Stellar Phoenix ZIP Recovery is advance data recovery software that can help you
in repairing and extracting the corrupted zip file and getting data from it.
This zip repair software uses
advanced extracting algorithms that are capable to extract the data from all
type of zip file compression. This is read only and non destructive data
recovery software.