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 alpha version of 7-Zip. Maybe your problem is already fixed in alpha 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.

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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: