Extract text from ZIX files
To convert your ZIX file to another format, you need ZixMail or other Encoded software.
To convert other file formats to the "Encrypted Email Attachment" file type, you need software like ZixMail or a similar tool.
A .ZIX file is most commonly a secure, encrypted email container generated by ZixCorp (now part of OpenText). These files are standard in industries requiring high compliance, such as healthcare and finance, to transmit sensitive data like patient records or bank statements. The file itself is essentially a locked box; without the corresponding decryption key or access to the ZixMessage Center web portal, the content is inaccessible. This proprietary lock-in is a major limitation for users who simply want to archive the message or view it on a mobile device without logging into a portal every time.
A secondary, albeit notorious, use of the extension is for compressed archives created by WinZix, a legacy utility from the mid-2000s. These files are problematic because WinZix was often classified as adware/spyware, and modern archivers like 7-Zip or WinZip do not natively support this specific compression algorithm. Users are left with a file they cannot open without installing potentially dangerous, defunct software.
For ZixCorp email files, the best "conversion" method is to decrypt the message via the official portal and immediately save it as a PDF document. This ensures the data is permanently accessible for archiving without relying on external servers. For text-heavy data, copying content to a TXT or DOCX file is preferred for editability. If you are dealing with a legacy WinZix archive, the goal is to extract the contents and repack them into a standard ZIP or 7Z format to ensure future compatibility and safety.
Convert.Guru analyzes your ZIX file, detects the exact format, and lets you read the text inside.
Users also converted QDF, QXF and QFX files.
If you want to convert ZIX file to ZIP, RAR, 7Z, TAR, GZ, BZ2, XZ, LZMA, CAB, ACE, ARJ or LHA, you can use ZixMail or similar software from the "Encrypted Email Transport" category. In the File menu, look for Save As… or Export….
To convert XXE, 7Z, Z, PAK, LHA, DEB, UUE, TAR, LZH, ZIP, PKG or RAR files to ZIX, try ZixMail or another comparable tool in the "Encrypted Email Transport" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our ZIX converter.