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What’s MsixPackageTool.exe? Is it safe or a virus?

MsixPackageTool.exe is a utility developed by Microsoft Corporation primarily used for converting existing application installers, such as MSI or EXE packages, into the MSIX package format. MSIX is a modern deployment package format designed to provide improved security, reliability, and streamlined app deployment for Windows applications. This tool simplifies the transition to MSIX by performing the necessary packaging and conversion processes while preserving app compatibility. Additionally, it supports customization of package settings and ensures the resulting MSIX package meets the requirements for distribution via platforms such as the Microsoft Store or enterprise environments.

Researched by Carl @ SpyShelter Labs

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A Trojan is a harmful software that pretends to be a legitimate program or file to deceive users into downloading it. It can steal personal information, damage files, or give hackers control over the infected device.

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More about MsixPackageTool.exe on WINDOWS

Who makes MsixPackageTool.exe?

We’ve found Microsoft Corporation should be the publisher of MsixPackageTool.exe.

How do we know? Our SpyShelter cybersecurity labs focuses on monitoring different types of Windows PC executables and their behaviors for our popular SpyShelter Antispyware software. Learn more about us, and how our cybersecurity team studies Windows PC executables/processes.

What does it mean if someone is the publisher of a PC .exe (executable or process)?

The publisher of an executable is the entity responsible for its distribution and authenticity. Most processes/executables on your PC should be signed. The signature on the executable should have been verified through a third party whose job it is to make sure the entity is who it says it is. Find an unsigned executable? You should consider scanning any completely unsigned .exe on your PC.

Last updated: March 21, 2025

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Why should you trust us?

Our team at SpyShelter has been studying Windows PC executables for over 15 years, to help fight against spyware, malware, and other threats. SpyShelter has been featured in publications like The Register, PC Magazine, and many others. Now we’re working to share free, actionable, and easy to understand information about Windows executables (processes) with the world, to help as many people as possible keep their devices safe. Learn more about us on our "About SpyShelter” page.

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