Compressing and Decompressing
To compress files for uploads
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Connect to a Site and click the destination folder in the Remote pane.
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In the Local Drives pane, click the item(s) you want to upload.
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On the main menu, click File > Upload Advanced > Upload Compressed. A sub menu displays the selected file name with three different extensions. Each extension identifies a compression scheme.
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Click the file name with the extension for the compression scheme you want.
To decompress a local archive
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In the Local Drives pane, click the archive to be expanded.
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On the main menu, click Tools > Compression > Decompress. The contents of the archive expand into a directory with the same name as the archive.
You cannot decompress a file on a remote FTP server from within CuteFTP's interface. To decompress an archive remotely, use a compression tool and Globalscape EFT Server to create an Event Rule or Custom Command (on the Server) that will decompress archives uploaded to the server (either automatically or as a result of a custom command sent by the client). See this custom command example for more information.
To create encrypted archives for upload, you need a compression tool and a call script to encrypt, compress, and then upload an archive.
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.zip is the industry standard archival method (wide support, medium compression).
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.cab is a Microsoft format (not very wide support, stronger compression than ZIP).
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.gzip/tar is a UNIX format (files are stored in a "Tarball" then compressed).
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Some Windows operating systems have a built-in compression/decompression tool. Refer to the Microsoft Support article #306351, at http://support.microsoft.com/kb/306531.