.DIFFBASE File Extension

Windows Diagnostics Tracking Diffbase File

Developer Microsoft
1.5  |  2 Votes

What is a DIFFBASE file?

A DIFFBASE file is a file used by Windows Diagnostics Tracking. DIFFBASE files are found in multiple subdirectories of the C:/​Windows directory. Most notably, DIFFBASE files are found in the C:/​Windows/​DiagTrack directory.

More Information

Windows Diagnostics Tracking, which is also referred to as Connected User Experiences and Telemetry and DiagTrack, is a Windows service that automatically records and transmits system diagnostic and usage data to Microsoft. This service uses multiple files to record and transmit data, including DIFFBASE files. DIFFBASE files' exact purpose is unknown. However, all Windows DIFFBASE files are named either utc.allow.diffbase or utc.privacy.diffbase.

How to open a DIFFBASE file

DIFFBASE files are Windows system files and are not meant to be opened.

Open over 400 file formats with File Viewer Plus.Free Download

Programs that open or reference DIFFBASE files

Not meant to be opened

Verified by FileInfo.com

The FileInfo.com team has independently researched the Windows Diagnostics Tracking Diffbase file format and Windows apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

If you would like to suggest any additions or updates to this page, please let us know.