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: Consolidates all monthly security updates released through January 2014 and cumulative updates through December 2013.
: Includes fixes for improved reliability across the suite, specifically enhancing integration with OneDrive for cloud storage and collaboration.
: Required for Outlook 2013 to connect to Microsoft 365 Exchange servers; versions without SP1 are no longer supported for this purpose.
Microsoft Office 2013 Service Pack 1 (SP1) Professional Plus is a comprehensive update released in February 2014 designed to improve the of the Office 2013 suite . This update is a "roll-up" of all previously released security and cumulative updates through early 2014. Key Features and Updates
: The Professional Plus edition typically includes Word, Excel, PowerPoint, Outlook, OneNote, Access, Publisher, Lync (Skype for Business), and InfoPath. How to Obtain SP1