Internet Explorer for Mac data file
File type: Various data file
Files with the .hqz file extension are used by Internet Explorer Macintosh Edition. They contain various data for the browser's internal use.
File type category:
Various data file
Date updated: October 30, 2026
The .hqz file extension is associated with Internet Explorer Macintosh Edition, a free web browser developed by Microsoft for Apple Mac OS and Mac OS X. An .hqz file stores data used internally by Internet Explorer for Mac rather than a document intended for direct editing.
Internet Explorer for Mac was discontinued in 2003, so the .hqz format is obsolete and is unlikely to be created by current software.
An .hqz file is an internal Internet Explorer Macintosh Edition data file and is not normally opened directly. It can only be expected to work as part of the browser's files in a compatible legacy Mac OS or Mac OS X environment.
Modern web browsers generally cannot open or use this file as a document.
There is no practical general-purpose conversion for an .hqz file. Because it contains internal browser data rather than a standalone document, it should be retained with the related Internet Explorer Macintosh Edition installation if it is still needed.
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