Home : File Types : Z01 File

.Z01 File Extension

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File TypeWinZip First Split Zip File

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Rare Uncommon Average Common Very Common
CategoryCompressed Files


This file is saved in a binary format, which requires a specific program to read its contents.


The first of multiple files that make up a split archive created with WinZip; uses the same compression as a standard .ZIP file, but must be decompressed along with the related split archives (.Z02, .Z03, etc.).

More Information

Split archives are often used to shrink the size of large files for e-mail attachments or file downloads. They can only be decompressed if all the split archive segments are available.

Programs that open Z01 files
Microsoft Windows LogoWindows
Corel WinZip 20
Smith Micro StuffIt Deluxe for Windows
ConeXware PowerArchiver
Mac OS X LogoMac
Smith Micro StuffIt Deluxe 16
The Unarchiver
Updated 12/28/2011