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Computer training exercise files - unzipping

Some people have reported that they can not unzip exercises that they've downloaded from our website.  Here's what we know about this!

Our zip files are created in a .NET application, using a utility called SharpZipLib.  We can happily unzip anything created in this, using computers running any version of Windows.

If you experience problems unzipping, some people have reported that you can use one of the following utilties to get round them:

We don't endorse any of these products, but it's certainly worth trying.

If anybody either knows more about this issue or discovers more, we'd love to hear from you.

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