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.WER File Extension

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File TypeWindows Error Report

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Rare Uncommon Average Common Very Common
CategorySystem Files


File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.


Error report generated by Windows Error Reporting (WER); captures software crash data and helps users provide crash information when reporting errors; gathers information for both operating system application crashes.

More Information

Windows Error Reporting is part of Microsoft Winqual services, which provide quality control for software and hardware vendors. Microsoft Winqual services can be accessed online through a Web browser.

Programs that open WER files
Microsoft Winqual (Web service)
Updated 2006