Technical Support for 7-Zip

Before requesting customer support for 7-Zip, please

Check that you use latest version of 7-Zip.
If you want to report about some problem, check also latest development version of 7-Zip. It can be beta or alpha version. Maybe your problem is already fixed in some new version.
If you have 64-bit Windows x64, check that you use 7-Zip x64.
Check out the 7-Zip help system also.
Read FAQ.
Search on 7-Zip forum for similar requests.

Search on 7-Zip forum:

Please use 7-Zip forum for all common questions; you can get answers on the forum from 7-Zip developers and from other 7-Zip users.

Please write only in English.

If you post a message to forum about some problem with 7-Zip, please provide the following information about your system: