Z01 File Extension

Z01 file icon

WinZip First Split Zip Format

What is a Z01 file?

Files with the Z01 extension are specifically tied to WinZip First Split Zip Format, a Compressed Files type, and there are 820 files in this category.

With the creation of the WinZip First Split Zip Format (Z01), Corel introduced file format along with 27 programs built for their use.

Z01 file support extends to various operating systems, including Windows, Mac OS and Linux. You can extract a Z01 file using one of 11 programs, for example WinZip, WinZip Mac Edition and StuffIt Expander.

How to open a Z01 file?

The most common reason why a Z01 file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.

Thanks to their popularity, WinZip, WinZip Mac Edition and StuffIt Expander are often the go-to programs for managing Z01 files. To install the updated version of WinZip, simply go to the WinZip site and download the installer compatible with all major platforms.

After setup, the operating system should recognize Z01 files and link them with WinZip.

Set WinZip to open Z01 by default

Change default apps on Mac

  1. Right-click or use Control + Left-click on the desired Z01 file to access the file’s context menu;
  2. Choose "Open in Application" and click "Other";
  3. Scroll down to the bottom of the window, and there you will find the "Enable" menu. The default selection is "Recommended Programs";
  4. Choose "All Programs" within this menu and locate WinZip. Check the box next to "Always open in app" to set it as the default program.

Change a default app in Windows

  1. Start the process by right-clicking on your Z01 file and selecting "Open With". From there, click "Choose another app" to continue;
  2. Find the WinZip application in the pop-up window and select it as your preferred program;
  3. Select the "Always use this application" check box and click "OK" to save your selection as the default application for opening Z01 files.

Easy Z01 Troubleshooting

Z01 files can sometimes be tricky, but minor software adjustments usually resolve the issues. Refer to the tips below for guidance.

Why does WinZip stop responding or crash intermittently?

Lack of regular software updates can cause WinZip to crash. Make sure you have installed the latest updates for WinZip products.

Restarting your computer is often an effective solution to resolve various common problems. Therefore, it is recommended to do so before making any changes to the software configuration.

What are the best practices for repairing a Z01 file that has gone bad?

Start a recovery program, open the damaged Z01 file and then select the "Repair" menu item to start the repair procedure. Please wait patiently for the recovery process to finish as it will automatically repair the damaged compressed files.

How can I confirm if my Z01 file has been damaged?

Characteristics of corrupted Z01 compressed files can include:

  • Editing the archive in WinZip Mac Edition is hampered by poor overall performance;
  • Trying to work with the archive in WinZip or other programs causes instability or program crashes;
  • The file does not open correctly or displays error messages;
  • An unexplained increase in the size of the Z01 file;
  • The file operation is accompanied by the display of error messages;

How to edit a Z01 file?

To modify Z01 files, you need to install special software that makes it possible to open and edit compressed files. Online Z01 editors are more restricted compared to software designed for WinZip First Split Zip Format.

Best Z01 editors 2026

Based on your described criteria, here is a list of available Z01 editors.

Z01 Editor SoftwareDeveloperPlatformsOverall Rating
WinZip Mac EditionWinZipMac OS4.5 out of 5 (44 reviews)
WinZipWinZipWindows, Apple iOS4.1 out of 5 (47 reviews)

Convert files to and from Z01

If obstacles arise while working with a Z01 file, you may convert it to formats like ZIP, DIZ or other similar types for smoother handling.

After converting a Z01 file, some capabilities may be limited, but you can often convert it back to the original format.

Convert Z01 to other file formats