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Is it possible to create a single backup file larger than 4 Gb or containing more than 64K files?

March 2, 2020backup containing create file GB larger possible

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Posted Alison Hardy edited answer March 2, 2020

Is it possible to create a single backup file larger than 4 Gb or containing more than 64K files?

2 Answers

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Alison Hardy Posted Alison Hardy edited answer March 2, 2020

I guess that you need a good backup solution for this purpose. I recommend that you have a look at the service from https://www.vcsitsolutions.com/cloud-backup-installation-service/ where you will get the necessary support. They will help you with a proper solution, and you will surely be happy with it 😉

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Posted

Yes. You can compress up to 2 147 483 647 files into an archive. Uncompressed, Compressed, and Archive file sizes can be up to 2^63-1 bytes in length (at about 18 million terabytes). If a zip file does not extend beyond any of the PKZIP 2.04g limitations (4Gb / 65535 files) then the archive is created in old zip format, according to the PKZIP 2.04g zip file specification. I am trying to use new external compressor for data backup. When backup job is started, nothing happens and program is waiting for something. There is a good idea to use debug mode to check the command string. Try to launch compressor manually with this string. May be this program is waiting for some input data. For example unregistered trial version of wzzip (WinZip command-line Add-On) is waiting for any key before data processing is started.