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What’s RemindersServer.exe (Reminders WinRT OOP Server)? Is it safe or a virus?

RemindersServer.exe is a legitimate Windows process developed by Microsoft Corporation. It functions as the Reminders WinRT Out-Of-Process Server and is associated with Cortana, the virtual assistant in Windows 10.

This process enables Cortana to manage and deliver reminders by processing information from emails and documents, such as detecting commitments or deadlines, and then prompting the user accordingly.

Its presence indicates that Cortana's reminder functionality is active on your system. If you don't use Cortana or its reminder features, you can disable Cortana through system settings or group policy to prevent this process from running.

Researched by Carl @ SpyShelter Labs

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More about RemindersServer.exe on WINDOWS

Who makes RemindersServer.exe (Reminders WinRT OOP Server)?

We’ve found Microsoft Windows should be the publisher of RemindersServer.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: April 12, 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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