The file is stored on security-enhanced servers that help prevent any unauthorized changes to it. Microsoft scanned this file for viruses by using the most current virus-detection software that was available on the date that the file was posted. If you're not sure which platform (32-bit or 64-bit) you're running, see Am I running 32-bit or 64-bit Office? Additionally, see more information about how to download Microsoft support files. This update is also available for manual download and installation from the Microsoft Download Center. The updates in the Download Center can't be installed on Office Home and Student 2013 RT.ĭownload update 4493174 for 32-bit version of Outlook 2013ĭownload update 4493174 for 64-bit version of Outlook 2013

Use Microsoft Update to automatically download and install the update. This update fixes an issue that causes file attachments to become corrupted in the Office 365 Message Encryption (OME) encrypted messages. It doesn't apply to the Office 2013 Click-to-Run editions, such as Microsoft Office 365 Home (see What version of Office am I using?). This update also applies to Office Home and Student 2013 RT.īe aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2013.

This article describes update 4493174 for Microsoft Outlook 2013 that was released on March 2, 2021.

Outlook 2013 online