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What is the .SQM File Extension?

.SQM File Extension Description:

The file extension SQM is described as a Service Quality Monitoring file, which allows Microsoft Corporation to receive data regarding different transactions of their software running under Microsoft Windows operating systems.

The SQM file is best categorized as a log file, complete with data formatted in American Standard Code for Information Interchange (ASCII) and which is extensively used by the Service Quality Monitor programs included in Microsoft applications.

The data contained in the SQM file includes the chronological order of transactions and events incurred by a Microsoft-based application. Some of these data include application use, performance, memory allocation and usage, program errors, and so on.

The .sqm file will be anonymously sent to Microsoft Corporation servers to troubleshoot application problems, or to improve the functionality of their applications, such as Windows Live Messenger, and Microsoft Office.

The process of data retrieval is automated and proceeds with its directive without any user interference or modification. Depending on the application, the SQM file may also contain system information, like hardware specifications.

Also, the .sqm file will be automatically created and placed under the C: root directory in your hard drive. Usually, this file is hidden from view, since editing or deleting this file might cause errors in the functionality of your system.

There may be times that the Service Quality Monitoring application might cause problems in your system, such as 100% CPU usage, system crash, application errors, and so on; if this is the case, it is possible to remove the application from the system running under Windows Vista.

The complete information on its removal can be found under the support site of Microsoft Corporation at and by using the keywords "Service Quality Monitor" on the search bar.

Author: Microsoft Corporation
Author URL:
Related Applications: Microsoft Windows Messenger, Microsoft Office, Microsoft Windows XP, Microsoft Windows Vista
Common Path: C:/


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Do you have errors with .SQM files?

The General Reason for .SQM files Errors:

.SQM files errors are possibly severe Windows errors and may be brought on by a defective registry that you should fix immediately to protect against additional damage in other software and/or hardware. While the errors remain your computer remains in danger of possible blue screen errors, hardware failure and fatal crashes.

Symptoms of .SQM files Errors:

Typical symptoms from .SQM files errors include reduced computer performance, excessive program start up times, problems loading files, excessive pauses in application routines, software shuts down without showing an error, screen freezes and programs lock up.

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