Have you ever been stuck in a problem, so I was unable to extract the zip file. Overall, zipped file order to obtain a large amount of data collected in one place and press. This makes sending large amounts of data to another easy, as you do not have to specify individual file numbers. All the data gets zipped in one file, and can be sent to another with ease. But sometimes, you cannot access the zibevilis. This type of situation is bad because corruption of.zip file. Now the key issue of reform zvili assisted ZIP Recovery tool.

Let’s error message that appears when you try to download a zip file of MS Windows SharePoint Services document library. When you try to extract the file, the operation is not completed and received an error message:

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

Receiving the above error message if you try to still extract the zip file. Does not open and you can get information that is saved in a compressed file is damaged.

Cause:
HTTP compression is enabled in the ‘ properties ‘ Web site for Internet information services on the virtual server MS SharePoint. This reason, when you download a compressed file, the file is encoded as GZIP from IIS. As a result of this, pass the browser this file directly without GZIP decoding decoding is applied.

Corrupted zip file also caused him.

Resolution:
To resolve the above issue you need to follow the steps below:
Check, if the problem is due to the first reason. To check the HTTP compression, follow these steps:
1. go to start > > Administrative Tools > Internet Information Services > “manage”.
2. explore the server tree.
3. right click on properties and Web sites.
4. go to the Service tab to see the HTTP compression properties.

To deal with this, you will need to change the MIME type of file the.zip to resolve this problem. For example application/x-zip-compressed to application/octet-stream. To change the name of the MIME type, follow the steps below:
1) go to start > Administrative Tools > > management > (IIS) Internet information services.
2) explore the server, and then click Properties.
3) open the MIME types.
4) verify entry the.zip scroll down the list of registered MIME type.
5) go enter application/x-zip-compressed to.zip, and use the Edit option.
6) change the value of the MIME type to application/octet-stream.
7) close and then restart the IIS Admin service to apply this change to the MIME type.

If after performing the steps above, the problem persists, then you should probably caused by a corrupted compressed file.

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