Developer Files

Microsoft XML Notepad

opens 8 file types

Download (www.microsoft.com)

Verified by Adam B.· reviewed by FE Editorial ·updated Sep 9, 2026

AT A GLANCE

Opens8 file types

Get it fromwww.microsoft.com

Download Microsoft XML Notepad

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8 file types verified
Last reviewed Sep 2026

What is Microsoft XML Notepad?

XML Notepad is a free XML editor created by Microsoft that provides a split-pane tree view interface for creating and editing XML documents. It supports XSD schema validation, XSLT transforms, and XPath search. The tool is lightweight and intended for quick viewing and manual editing of XML files.

Files Microsoft XML Notepad opens

8 formats

Developer Files

.TLD .XQY .XQUERY .XQL

Settings Files

.ATH .CAMP

System Files

.MUM

Font Files

.COMPOSITEFONT

Click any badge for full per-format details - what it is, how to open it and how to convert it.

Download Microsoft XML Notepad

SOURCEwww.microsoft.comofficial site - avoid third-party download portals

Download from www.microsoft.com

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programs & formats

Files Microsoft XML Notepad opens most

1

.ATHAlienware AlienFX Theme File

2

.MUMWindows Update Manifest File

3

.TLDTeledisk disk archive file

4

.CAMPWCS CAMP

5

.XQYXQuery Source File

6

.XQUERYXQuery Source Code File

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