Microsoft Office Web Apps Server Service Pack 1 (SP1) provides the latest updates for Office Web Apps Server. This service pack includes two kinds of fixes:
Previously unreleased fixes that are included in this service pack. In addition to general product fixes, these fixes include improvements in stability, performance, and security.
All the monthly security updates that were released through January 2014, and all the Cumulative Updates that were released through December 2013.
In addition, this service pack also fixes the following issue:
The Search box is missing after installing the public update such as MS13-100 (KB 2850058). You may receive the "Sorry something went wrong" error message when you try to access the Search Center.
How to obtain and install the service pack
To download the service pack from Microsoft Update, go to the following Microsoft website:
You can opt in a computer to the Microsoft Update service, and then register that service with the Automatic updates to receive the SP1 update. Microsoft Update will detect which products that you have installed, and then apply all updates to the products.
For information on how to apply the Service pack to the Office web apps 2013 server:
Apply software updates to Office Online Server: http://technet.microsoft.com/en-us/library/jj966220.aspx
For more informationa complete list of all released SP1 server packages, click the following article number to view the article in the Microsoft Knowledge Base:
2880556 List of all Service Pack 1 (SP1) packages for Microsoft SharePoint Server 2013 and related server products
Downloadable list of issues that the service pack fixes
The following workbook is available for download. This workbook lists the issues that are fixed by this service pack.
Note This workbook is available only in English.
For more information about this service pack, click the following article number to view the article in the Microsoft Knowledge Base:
2817458 Technical details about Service Pack 1 (SP1) for Microsoft SharePoint Server 2013 and related server products