Microsoft released Service Pack 1 of Office 2010. This service pack is a combination of all patches released for Office 2010 so far and also have more stability,security and performance improvements.
Outlook 2010 SP1
Outlook 2010 SP1 includes Office 365 support.
Outlook 2010 SP1 can be set to always use the default sending account.
Fixes an issue in which the snooze time does not between appointments.
Word 2010 SP1
Word 2010 SP1 includes a dialog box that warns users that the custom XML will be lost when files that use custom XML markups are saved in XML-based file formats.
Now, certain fields are available when you use the APA 6th and MLA 7th edition styles in the Bibliography feature.
Excel 2010 SP1
Improves the overall stability, performance and backward compatibility with earlier versions by addressing bugs that affect lots of users. For specific bugs fixes, download the "Microsoft Office 2010 Service Pack 1 Changes" workbook discussed later in this article.
Function names now maintain backward compatibility with earlier versions of Excel for the Czech, Dutch, Danish, Italian, Norwegian, Portuguese, Brazilian Portuguese, Spanish, Swedish, and Turkish languages.
PowerPoint 2010 SP1
The default behavior for the Use Presenter View option is changed to display the slide show on the secondary monitor, and display the notes on the primary monitor.
OneNote 2010 SP1
Added a new Open from web option that is located under the File Open menu. This enables you to open OneNote notebooks from Windows Live SkyDrive.
The Web option and the Network option are now added under the File Share menu. This makes it easier to share a notebook.
You can use the Quik Filling feature to save your local Unfiled Notes section to another section, or to Windows Live SkyDrive. To do this, click File, Options, Save and Backup, and then click Modify.
Improves how OneNote synchronizes with SharePoint or Windows Live SkyDrive.
OneNote 2010 SP1 now uses Windows Live Essentials to log on to Windows Live SkyDrive.
Access 2010 SP1
Access 2010 SP1 adds a new feature to integrate community content in the Application Parts gallery.
Read more and get service pack 1 for Office 2010