atz

.atzAltova XML Document

Altova · 2003

Developer
Altova
Category
Documents
MIME Type
application/x-altova-xml-document
First Released
2003
Open Format
No
File Signature
<?xml version
At a Glance
.atz
Altova XML Document

An ATZ file is an Altova XML Document used to store XML schema and project information for Altova's development tools.

Reviewed on July 14, 2026
Compression
Varies
Transparency
N/A
Editability
Medium
Best for
Project organization

Key Features

  • Stores XML schema definitions (XSD) and related project data.
  • Acts as a container for organizing XML development projects.
  • Proprietary format developed and used by Altova tools.
  • Facilitates efficient management of complex XML structures.

Best For

  • Users of Altova XMLSpy and other Altova development tools.
  • Managing complex XML projects with multiple interconnected schemas.
  • Quickly loading and organizing sets of XML-related files.
  • Maintaining project consistency within the Altova ecosystem.

Less Ideal For

  • General XML data storage, as it's project-specific.
  • Sharing schema information with users not using Altova software.
  • Archiving raw XML data without project context.
  • Interoperability with non-Altova XML development environments.

Common Use Cases

  • Saving a collection of related XML schemas for a project.
  • Organizing multiple XML documents and their corresponding XSLT transformations.
  • Storing configuration settings for XML processing within Altova software.
  • Sharing XML project structures between developers using Altova tools.

How to Open It

  1. Open the ATZ file directly within Altova XMLSpy or other compatible Altova products.
  2. Ensure you have an Altova software license installed on your system.
  3. The file will typically be loaded as a project, displaying its contents within the IDE.
  4. If you don't have Altova software, you may be able to view the raw XML content in a text editor, but functionality will be lost.

What is a .atz file?

An ATZ file is a proprietary XML-based document format developed by Altova, primarily used for storing XML schema information and related data. It acts as a container, similar to a project file, that holds multiple XML-related components for specific development tasks. These files are integral to Altova's suite of XML development tools, allowing users to manage and organize their XML projects efficiently.

Programs That Open .atz Files

PlatformProgram
WindowsAltova XMLSpyPaidOfficial
macOSAltova XMLSpyPaidOfficial

Common Problems with .atz Files

⚠️ Cannot open an ATZ file without Altova software.
Download and install a trial or licensed version of Altova XMLSpy or a compatible Altova product.
⚠️ ATZ file appears as plain text with unrecognized tags.
This indicates the file is likely corrupted or not intended to be opened as a standalone document; open it within its parent Altova application.

Frequently Asked Questions

Can I open an ATZ file with a standard text editor?

You can open it, but it's an XML-based file containing project-specific information for Altova tools. Viewing the raw XML might not provide much practical insight without the context of the Altova application.

Is ATZ an open standard for XML projects?

No, ATZ is a proprietary file format developed and used exclusively by Altova for their software suite.

Technical Details

ATZ files are structured as XML documents, containing metadata and references to other XML files, schemas (XSD), and data. They utilize an XML schema defined by Altova to organize project components. The exact internal structure and proprietary tags are specific to Altova's software implementation.

Did You Know?

The ATZ extension stands for 'Altova XML Document'.
These files act like project files, holding references to multiple other files and settings within the Altova development environment.

Security Information

As a proprietary format primarily containing project configuration and schema references, ATZ files are generally considered safe. However, always ensure that the ATZ file originates from a trusted source, as with any file type, to avoid potential malicious XML content if parsed by vulnerable applications.

Related Extensions