Opening ZI Files

The ZI file type is primarily associated with WinZip.

ZI	File extension: ZI
	File type:	compressed archive file

What is a ZI file

ZI files mostly belong to WinZip by Corel. ZI files are ZIP files that have been renamed to bypass security filters such as email filters that block the downloading of ZIP files. The ZI files can be converted into workable ZIP files by simply renaming the extension. ZIP is the default compressed archive format for WinZip, which is a file compression and archiving software from Corel. The format supports lossless data compression, encryption, and archiving. It was created and released into the public domain in 1989 by Phil Katz,and was implemented in the PKZIP utility from PKWARE.

• Compression Method: The ZIP format compresses each file in an archive individually, so it supports the application of a different compression algorithm to each file. ZIP allows a number of compression algorithms, the most common of which is Deflate. It is also possible to include uncompressed files in a ZIP archive.
• File Structure: Each ZIP archive must contain an "end of central directory record" at the end. Files can be added in arbitrary order. Each individual file in the archive must be preceded by its "local file header". It is optional to add a "data descriptor" after each file.
• Encryption: ZIP supports AES encryption (strong) and Zip 2.0 encryption (weak).

How to open a ZI file

You need a suitable software like WinZip to open a ZI file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ZI file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ZI file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ZI File Viewer

Choose your .zi file to view

or drag and drop it here

Online File Viewer

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How to extract texts from ZI files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

1. Just click the "Choose your .zi file to view" button on this page.
2. After your file is opened in browser,
3. click "Save as..." in the menu.
4. Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
5. Download the converted file.

ZI file extension format:

The file format, which is the arrangement and type of data in a file, determines which program can open the file. The file format can be determined based on the file extension and the signature (the first few characters of a file). File extension, signature and file format must match; otherwise errors will occur when the file is opened. Exact knowledge of the format is therefore important in order to solve problems occurring in files. Our examination of the ZI files comes to the following conclusion:

The ZI file extension is primarily used by a single program. The two most popular formats are as follows:

• 85% of all ZI files are based on the zip format, i.e. a ZI file contains several compressed files. A ZI file contains 1 to 30 files, the average being 3. You can see the included files and images by renaming the file extension to .zip and then double-clicking it. The files are 53 KB to 70 MB in size, with a median of 4 MB. These files are attributed to expediente, data and rest.
• 4% of all ZI files start with the bytes 04 FF 00 crucial for this file format. These files are binary files, so they do not contain text, but only cryptic characters. ZI files can be up to 1 MB in size, but are often around 2 KB - 23 KB. Some examples of file names are mono72.zi.

All other ZI files (11%) have no consistent format, frequently e.g. RAR. These files sometimes refer to kurs. If you want to find out what your ZI file contains, drag and drop it onto this page.