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FileCoAuth.exe is a process developed by Microsoft Corporation that is related to the Microsoft Office suite. It's responsible for authenticating and validating the licensing and permissions for Microsoft Office files and documents that are shared between multiple authors on Microsoft's One Drive.
If multiple users are working on a document on Microsoft's cloud One Drive, then FileCoAuth.exe, also known as Microsoft OneDriveFile Co-Authoring Executable, will make sure the work is updated correctly.
When a user tries to open, edit, or save an Office file, FileCoAuth.exe checks for proper licensing and permissions to ensure that the user has the necessary access rights.
(Researched by Carl @ SpyShelter Labs)
We’ve found Microsoft Corporation should be the publisher of FileCoAuth.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.
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.
Below are 4 simple steps you can take to see if the FileCoAuth.exe process is safe or malware.
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.