What file extensions are blocked in Office 365?

The following file types are blocked in Office 365, for both sending and receiving email, to protect members of the University:

.rarSelf-extracting archive file created with the WinRARarchiver
.dll32-bit Windows executable file with dynamic link library extension
.exeSelf-extracting executable program file
.jarJava archive file
exeUn-installation executable file
.exeProgram shortcut file
.objCompiled source code file or 3D object file or sequence file
.exe32-bit Windows executable file
.vxdMicrosoft Vizio XML drawing file
.os2OS/2 operating system file
.w1616-bit Windows executable file
.dosDisk-operating system file
.comEuropean Institute for Computer Antivirus Research standard anti-virus test file
.pifWindows program information file
.exeWindows executable program file
.vbsVB Script
.scrMicrosoft Silverlight Script

Return to Email and Calendars.

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Do I need Microsoft Office to use Office 365?

Since Office 365 is a web-based email and calendar solution, you are not required to have…

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How are deleted items handled in Office 365?

When you delete an item from your mailbox in Office 365, it is moved to the…

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How do I access a shared mailbox?

To access a shared mailbox via OWA…

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How do I access my archive?

In Office 365, your mail will not be archived automatically…

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How do I access my email folders in Outlook for the web (OWA)?

Login to OWA using your WUSTL Key at email.wustl.edu/mail…

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How do I change my FERPA privacy settings?

For WUSTL Students, your FERPA privacy settings in WebSTAC determine whether or not your…

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How do I connect my computer or mobile device to my Office 365 email account?

Setup Instructions can be found by visiting Email Client Setup…