Click here to download Microsoft Exchange Server 2013 Service Pack 1 (SP1). It’s version would be “15.00.0847.032”. It resolves issues that were found in previous versions of Exchange Server 2013. This update rollup is highly recommended for all Exchange Server 2013 customers.
This service pack resolves the issues that are described in the support KB article http://support.microsoft.com/kb/2926248
Also, you can download the following files 32-bit /64-bit of Microsoft Office 2013 Service Pack1 (SP1) from Microsoft Download Center. Microsoft Office 2013 Service Pack 1 (SP1) provides the latest updates for Office 2013.
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.
You can download the following workbook which lists the issues that are fixed by this service pack. Microsoft Office and SharePoint 2013 Service Pack 1 Changes.xlsx. For more info you can refer: http://support.microsoft.com/kb/2817430