Opening a ZI_ File

The ZI_ file type is primarily associated with 7Zip.

ZI_	File extension: ZI_
	File type:	renamed zipped file

What is a ZI_ file?

ZI_ files mostly belong to 7Zip by 7Zip. ZI_ files are renamed ZIP files, which are compressed archives.

Main Usage: There is no difference between the data contained in a ZI_ file and the original ZIP file. The only difference is the file extension, which is often renamed to bypass filters on services which prohibit ZIP files. Another common use of ZI_ files is to bypass malware detection, which is specifically targeted at files using the ZIP file extension.
Compression: The compression in a ZI_ file is exactly the same as that of a regular ZIP file, as none of the data contained within the file is changed in the conversion.
Compatibility: ZI_ files are compatible with all programs that support ZIP compressed archives. For this reason, programs exist on most popular operating systems which support this file extension, including Windows, MacOS, and Linux.

How to open a ZI_ file

You need a suitable software like 7Zip 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_ Text Viewer

Choose your .zi_ file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert ZI_ files:

7Zip by 7Zip
See the previous paragraphs to learn more about the main application. ZI_ files are often referred to as 7Zip compresseds because this type of file is primarily created or used by this software.
WinRAR (renamed zipped file) by Rarlab
The letter "p" in file extension ZIP of a zipped file is replaced by the symbol "_" and renamed as ZI_ to avoid accidental expansion of the zipped file. Just rename the file extension to its original form before applying a decompressing utility like WinRAR to unzip the file. WinRAR uses a combination of multimedia, executable, and library files as its compression algorithm for more efficient compression rates. This file format is classified as Compressed. Related links: WinRar features
WinZip (renamed zipped file) by Corel
The file extension ZIP is often renamed as ZI_ to avoid accidental unzipping of the zipped file and to bypass antivirus programs when the zipped file is emailed. Just rename the extension ZI_ to ZIP to decompress the zipped files using a decompressing utility like WInZip. WinZip is a popular compression utility which allows users to secure their data with encryption in addition to creating data backup. This file format is classified as Compressed.

Technical Data for ZI_ File Extension

File classification:

Compressed

Related files:

zi, zl, z1, zip, zlib, z, 7z, zzz

Related links:

7-Zip Utility

a zi_ renamed zipped file is a special file format by 7Zip and should only be edited and saved with the appropriate software.

How to solve problems with ZI_ files

Associate the ZI_ file extension with the correct application.
Update your software that should actually open renamed zipped files. Because only the current version supports the latest ZI_ file format. Search, therefore, e.g. on the 7Zip manufacturer website after an available 7Zip update.
To make sure that your ZI_ file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .ZI_ file online - secure, fast, and no downloads needed.