Lets start with the essentials an then move on to the more funky ones..

PowerPoing Viewer and Converter 2007 : For office users using different versions might need viewers and converters from Microsoft. Click here to download Office converters and viewers.

Share PowerPoint Presentation Online: There are several sites which let users to upload their PowerPoint presentations and share them with their family and friends. Following are few such services..

• Slideshare.net
• Slideboom.com
• Authorstream.com

PowerPoint Search Engine: Brupt.com lets you search for all the PowerPoint presentations indexed by Google. In addition you can search for other office documents as well. Brupt.com

Insert WebPage in PowerPoint Presentations: LiveWeb is a free tool that lets you insert WebPages into a PowerPoint presentation.

Embed Youtube Videos in PowerPoint Presentation:  Download the Youtube Video Wizard plugin from skp.mvps.org which lets you embed Youtube videos into your presentation easily. Click here to download.

Convert PPT to PDF: There are several utilities which let you print any office document to PDF. These utilities can be used to convert PPT to PDF.
Following free utilities let you print to PDF..

• Cutepdf.com
• Primopdf.com

Convert PPT to Flash: iSpring Converter helps you convert your PowerPoint presentations to Flash (SWF) format. iSpring converter preserves the audio and all the animations including slide transitions while converting.

Download it from here.

Convert PPT to AVI, WMV, MPEG, MP3:  EffectMatrix offers to versions of its converter softwares. One which lets you convert PPT to limited video formats (AVI, WMV, MPEG) which is free and does not add any watermark to the video file and the paid version lets users convert PPT in almost all video formats, including for mobile phones, etc..

Click here to download the software.

Use iPhone as a PowerPoint Clicker:  i-Clickr PowerPoint Remote Lite is an iPhone application which converts your iPhone or iPod Touch into a visual clicker which lets you see the slides and control it from your iPhone.

Click here to download.

Create PowerPoint Presentations Online: Don’t have office installed on your computer; you’ve got nothing to worry about. There are quite a few online solutions available which let you create online presentations.

• Officelive.com
• Docs.google.com
• Show.zoho.com

Convert PowerPoint to ScreenSaver: Several tools allow users to convert PPT to Screensaver. Check out the following applications.

• Dgolds.com

Microsoft Office 2007 introduced new file formats based on XLM and ZIP technologies which can do much more than the old formats. The new formats were introduced keeping in mind the open standards and adopting XML-based file formats and the applications carrying new formats are Microsoft Office Word 2007, Microsoft Office PowerPoint 2007 and Microsoft Office Excel 2007. Visit Microsoft Library to know more about 2007 Open XML file formats.

These technical advancements don’t mean much to users like you and I who put these applications to regular use for just storing information. One of the only reasons users usually dwell into the new formats is when it fails to open in the previous versions of Microsoft Office, namely Office XP, Office 2003, etc..

To solve this issue Microsoft has introduced viewers and converts for Microsoft Office 2007 file formats. PowerPoint viewer, Word Viewer and Excel Viewer all of these application let you open Office 2007 documents (.docx, .xlsx, .pptx) without having to upgrade to office 2007.

Viewers just let you open and view office 2007 documents but the Office 2007 compatibility pack lets you open, edit and save files using the file formats new to Word, Excel, and PowerPoint 2007.

Click here to download compatibility pack for Word, Excel and PowerPoint 2007 file formats.

All said and done about the Office Viewers and Converters if you are not too inclined to download and install a software to convert here is an online service which does in online. ZAMZAR.com offers conversion of various file types including Office word 2007 (.docx), Office Excel 2007 (.xlsx), and PowerPoint 2007 (.pptx) and its completely free.

Following is the list of mostly used Converters and Viewers offered by Microsoft for Microsoft Office. [Link]

Excel converters and viewers

• Excel 2003 viewers
• Excel 2000 converters
• Excel 2000 viewers
• Excel 97 converters

Outlook converters and viewers

• Outlook 2000 converters
• Outlook 97/98 converters

PowerPoint converters and viewers

• PowerPoint 2007 viewers
• PowerPoint 2003 viewers
• PowerPoint 2002 viewers
• PowerPoint 2000 converters
• PowerPoint 2000 viewers
• PowerPoint 97 converters
• PowerPoint 97 viewers

Word converters and viewers

• Word 2007 viewers
• Word 2003 viewers
• Word 2002 converters
• Word 2002 viewers
• Word 2000 converters
• Word 2000 viewers
• Word 97 converters
• Word 97 viewers

Converters and viewers for Macintosh users

• Mactopia downloads

Resourse Links:

• Microsoft Office Compatibility Pack [Link]
• Microsoft Word & Excel 2003 viewers for 2007 file formats [Link]

Resources mentioned in this article should help you resolve issues with new file formats.