OFFICE SOURCE ENGINE is trying to access the internet? Is your virus catcher showing you this warning and error? office source engine which runs under the filename OSE.EXE process in task manager is a process of Microsoft Office Software. This process called OFFICE SOURCE ENGINE or OSE.exe is essential for the proper functioning of the Microsoft Office to add or remove “on demand” features of the MS Office.

So, ose.exe download is safe for your computer.