Overview

This update contains several improvements to enhance security and stability, including fixes for vulnerabilities that an attacker can use to overwrite the contents of your computer's memory with malicious code. In addition, this update includes all of the improvements released in all previous Office v. X updates.

Applies to: Office v. X, Microsoft Word X for Mac, Microsoft Excel X for Mac, Microsoft PowerPoint X for Mac, Microsoft Entourage X for Mac

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System requirements

Supported Operating Systems: Mac OS X

To install this update, your computer must meet the following minimum requirements:

Operating system: Mac OS X 10.1 (Puma) or a later version of Mac OS

Note   To verify that your computer meets these minimum requirements, on the Apple menu, click About This Mac, and then click More Info.

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Instructions

1. Print this page if you want to use it as a reference when you are offline.
2. Make sure that your computer meets the minimum system requirements.
3. Click the Download button.
4. Follow the instructions on the screen to save the file to your hard disk.
   
   If you are using Safari, the file is downloaded to the desktop unless you specified a different folder in the Preferences dialog box of Safari. To check your preferences, on the Safari menu, click Preferences, and then click General.
   
   If you are using Internet Explorer, the Download Manager saves the file to the desktop unless you specified a different folder in the Preferences dialog box of Internet Explorer. To check your preferences, on the Explorer menu, click Preferences, and then click Download Options in the left pane.
   
   
5. Double-click the file that you downloaded in step 4 to add the Office X 10.1.9 Update volume to your desktop, and then double-click the Office X 10.1.9 Update volume to open it. This step might have been performed for you.
6. In the Office X 10.1.9 Update volume window, double-click the Office X 10.1.9 Update application to start the update process, and then follow the instructions on the screen.
7. If the installation finishes successfully, you can remove the update installer from your hard disk. To verify that the installation finished successfully, see the Updated files section of the Read Me file included with this update. To remove the update installer, first drag the Office X 10.1.9 Update volume to the Trash, and then drag the file that you downloaded to the Trash.

To remove this update

This update does not include an uninstall feature. To restore your applications to its original state, delete it from your hard disk, reinstall it from your original installation disk, and then install the updates that you want.

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Additional information

For additional assistance, visit the Microsoft Web site at www.microsoft.com/mac.

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