What is PTXML? PTXML, short name for PerfTrack XML, is used as the file extension for PerfTrack XML files. .PTXML files are XML files that are used by Microsoft Performance PerfTack program. See the sample .PTXML file included below.

File Extension: .PTXML

MIME Type: text/xml

File Content: PerfTrack XML

.PTXML files are PerfTrack XML files, that are used by Microsoft Performance PerfTack program. Here is a sample .PTXML PerfTrack XML file, AltTab.ptxml:

<?xml version='1.0' encoding='utf-8' standalone='yes'?>
<?Copyright (c) Microsoft Corporation. All rights reserved.?>
<instrumentationManifest>
  <instrumentation>
    <perftrack>
      <scenario 
        digestedkey="@8,0,0,4,0" guid="{be76eec1-b8a0-4933-b106-e6e526b5889d}"
        interactionclass="Typical" key="Object" 
        name="AVCore-AudioDG-StartupLatency" sqmid="325" tags="Audio">
        <event provider="{AE4BD3BE-F36F-45b6-8D21-BDD6FB832853}" 
          type="begin" value="12" version="0"/>
        <event provider="{AE4BD3BE-F36F-45b6-8D21-BDD6FB832853}" 
          type="end" value="13" version="0"/>
      </scenario>
      ...
    </perftrack>
  </instrumentation>
</instrumentationManifest>

.PTXML PerfTrack XML file sample: Click sample.ptxml to download.

Since .PTXML files are in text format, you can use Notepad or any text editor to create or modify them. No special software is needed.