What is a ZI file?
A .ZI file is most commonly a Renamed Zip File. Users often rename standard .ZIP archives to .ZI to bypass email filters or security systems that block attachments with the .ZIP extension. The underlying format is usually the standard archive format originally developed by PKWARE.
In some cases, a .ZI file might be a renamed .RAR archive created by software like WinRAR. Rarely, it can also be a legacy PC Paintbrush font file developed by ZSoft Corporation.
How to open ZI files?
To open a .ZI file on your computer, you can usually rename the extension back to .ZIP or .RAR. Once renamed, you can extract the contents using standard archive tools like WinZip, 7-Zip, or the built-in extraction tools in Windows and macOS.
Identify and view ZI files online
Because a .ZI file can be a ZIP, RAR, or a font file, you might not know the exact format. viewer.online/zi analyzes .ZI files to identify their exact format and creator software, shows which programs can open the file, and usually previews it directly in your browser.
If you need to change the file to a standard format, we recommend convert.guru. You can easily convert your .ZI archive back into a standard .ZIP file.
Summary
viewer.online/zi directly opens and previews .ZI files in the browser, eliminating the need to install software, change file extensions manually, or troubleshoot compatibility issues.