As of today, an update to Acrobat 8, upgrading Acrobat 8 to Acrobat 8.1 (Professional & Standard) is available via Adobe Updater (in Acrobat). A download on Adobe.com will be available later this month (I’ll update you when it is live)
The 8.1 release works with Microsoft Office 2007 and Microsoft Vista. Both PDF as a file format and Acrobat as an application are now “first class” citizens in these environments.
In Office 2007 – we are conforming to the new ribbon UI and are fully integrated. (Figure 1)

Figure 1. Acrobat Ribbon in Microsoft Word 2007
In MSFT Vista – PDF will preview similar to other supported file formats, and of course, you can create PDF by simply right clicking on supported file formats (Word, Excel, PPT, JPG, etc.) (Figure 2)

Figure 2. Right-click on any supported application in Microsoft Vista to create Adobe PDF.
My favorite integration with Office 2007 is with Outlook 2007. Now, when you open an email message in preview mode that has a PDF attachment – you see the PDF in the preview pane. You can view full page, or page width, and even navigate multi-page files. (Figure 3)

Figure 3. PDF Preview in Outlook 2007.
Also – at the request of our customer base, we’re supporting 64-bit Citrix and Windows environments. Acrobat is still a 32-bit application, but for folks running 64-bit Citrix environments, or who load Acrobat on a 64-bit Windows system, Acrobat will work as advertised.
For additional information, I recommend you review http://www.adobe.com/acrobat and http://www.acrobatusers.com/ for articles and tips from our contributors on the updates in Acrobat 8.1.
Adobe Reader 8.1 is also available today.
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