Software Zip Open Source. 7-Zip is a file archiver with a high compression ratio. Mozilla Thunderbird is one of the best open source software which serves as an email client for users.
Besides ZIP it does not provide any other archive format. Also there is unRAR license restriction for some parts of the code. Mozilla Thunderbird is one of the best open source software which serves as an email client for users.
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Mozilla Thunderbird can act as an Outlook alternative and comes loaded with a bunch of useful features. Also there is unRAR license restriction for some parts of the code. Read 7-Zip License information. It is a simple archive software through which you can quickly create an archive consisting of multiple documents files folders etc.