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Available on winget

Install CMTrace Open

An open-source log viewer inspired by Microsoft's CMTrace.exe.

Install with winget
winget install --id AdamGell.CMTraceOpen
Upgrade
winget upgrade --id AdamGell.CMTraceOpen
Uninstall
winget uninstall --id AdamGell.CMTraceOpen

About CMTrace Open

An open-source log viewer inspired by Microsoft's CMTrace.exe.

What's new in 1.3.2

CMTrace Open v1.3.2 Patch release with managed update-check controls and a Secure Boot scan polish fix. Added - Startup update checks are now disabled by default and can be enabled from Settings > Updates. - Managed Windows deployments can force-disable all app update checks: - NSIS: CMTrace-Open_*_x64-setup.exe /S /DisableUpdateChecks - MSI: msiexec /i CMTrace-Open_<version>_x64.msi /qn DISABLEUPDATECHECKS=1 Fixed - Secure Boot scan PowerShell checks no longer flash a console window. Windows Downloads ──────────────────────────────────┬───────────────────────────────────────────── File │Description ──────────────────────────────────┼───────────────────────────────────────────── CMTrace-Open_1.3.2_x64.msi │MSI installer for x64, includes Full + Lite ──────────────────────────────────┼───────────────────────────────────────────── CMTrace-Open_1.3.2_x64-setup.exe │NSIS installer for x64 ──────────────────────────────────┼───────────────────────────────────────────── CMTrace-Open_1.3.2_x64.exe │Standalone full edition for x64 ──────────────────────────────────┼───────────────────────────────────────────── CMTrace-Open-Lite_1.3.2_x64.exe │Standalone lite edition for x64 ──────────────────────────────────┼───────────────────────────────────────────── CMTrace-Open_1.3.2_arm64.msi │MSI installer for arm64, includes Full + Lite ──────────────────────────────────┼───────────────────────────────────────────── CMTrace-Open_1.3.2_arm64-setup.exe│NSIS installer for arm64 ──────────────────────────────────┴─────────────────────────────────────────────

Read release notes

Version history

Version Updated Notes
1.3.2 Unknown CMTrace Open v1.3.2 Patch release with managed update-check controls and a Secure Boot scan polish fix. Added - Startup update checks are now disabled by default and can be enabled from Settings > Updates. - Managed Wind...
1.3.1 Unknown CMTrace Open v1.3.1 Fixed - CCM entries with type="" or thread="" now parse as structured CCM records instead of falling through to plain text. Empty values default to 0, preserving severity classification and thread dis...
1.3.0 Unknown CMTrace Open v1.3.0 Final 1.3.0 release. This replaces the 2026-04-27 prerelease and includes the final PR #180 hardening plus release-build dependency alignment. Highlights - Unified multi-file timeline workspace with i...
1.2.1 Unknown CMTrace Open 1.2.1 A maintenance release rolling up five community-reported fixes, a ProcMon-style context-menu filter, and signed builds for Windows (x64 + arm64), macOS (arm64), and Linux (x64). Full changelog: CHANGEL...
1.2.0 Unknown What's New in v1.2.0 .cmtlog Format & Interactive Markers - New .cmtlog file format - extends CCM's <![LOG[...]LOG]!> with sections, iterations, WhatIf flags, and tags. Fully backward-compatible with CMTrace.exe. - Color...
1.1.0 Unknown What's New in v1.1.0 New Workspaces - Event Log Viewer — Parse .evtx files or query live Windows Event Log channels. "This Computer" auto-loads Application, System, Security, and Setup in parallel. Event Viewer-style nes...
1.0.2 Unknown CMTrace Open v1.0.2 Open-source CMTrace log viewer with built-in Intune diagnostics. Windows Downloads - Signed standalone EXE (x64) - Signed MSI installer (x64) - Signed standalone EXE (arm64) - Signed MSI installer (ar...
1.0.1 Unknown Fixed - Timestamp display offset: Timestamps from logs written on machines in different timezones (e.g., UTC+8) now display correctly, matching the original CMTrace behavior. Previously, the app converted UTC epoch milli...
1.0.0 Unknown CMTrace Open v1.0.0 First stable release. Since v0.5.0, CMTrace Open has received a complete UX overhaul — eight themes, multi-tab browsing, dynamic parser-aware columns, six new log parsers, a registry file viewer, an e...
0.5.1 Unknown CMTrace Open v0.5.1 Open-source CMTrace log viewer with built-in Intune diagnostics. Downloads ─────────────────────┬───────────────────────────────── Platform │File ─────────────────────┼────────────────────────────────...
0.5.0 Unknown CMTrace Open v0.5.0 Open-source CMTrace log viewer with built-in Intune diagnostics. Windows Downloads - Signed standalone EXE (x64) - Signed MSI installer (x64) - Signed standalone EXE (arm64) - Signed MSI installer (ar...
0.4.0 Unknown Release notes
0.3.0 Unknown Release notes