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Q&A

Safe to delete [e0fe99ff-3983-409E-97D9-AA6223751C46].msi?

+2
−1

A Microsoft T3 Support Engineer confirmed that this .msi for a third party program, not Microsoft, because it doesn't appear in the Roaming > Microsoft folder.

What's this .msi for? Can I safely delete it?

No results in Google

Google yielded no results, even when I deleted the square brackets.

No results in Google

Update after elgonzo's answer

This .msi was for Nitro Pro. I deleted this .msi a month ago, with no harm to my desktop.

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2 answers

+6
−0

Right click on the file and view the file properties. In all likelihood, the file details in the file properties dialog will reveal what software this .msi file belongs to.[1]

Deleting it should be safe. However, depending on the software this .msi file belongs to, deleting it could (or might not at all, probably; it entirely depends on the particular software) make future updates or version rollback of the respective software fail, or make it unable to uninstall the software (which could be remedied by manually deleting the software folder, or by downloading the software installer again and performing an install-uninstall cycle in case the software's uninstallation would require removal of system services, drivers, or would need to undo other changes its installation routine made to the host OS.)


  1. Unless the file was intentionally misnamed, the .msi file extension indicates a MicroSoft Installer file. It is a common installation package format used by many software products/programs made for Windows) ↩︎

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+6
−0

MSI files can be unpacked using 7-Zip or similar software. The embedded files might offer additional insight into what the MSI actually is.

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