Convert Older Documents to Word 2007 .DOCX Format
If you open a document in Word 2007, the named document displays the number of characters on the bottom status bar.
Sample: 
Then the document will open with the number of pages and words on the status bar.
When you type a document, Word automatically counts the number of pages and words in your document and displays the information on the bottom status bar.

The Red X indicates proofing errors were found.
Click the X for spell check
Count Selected Words
Word 2007 also allows you to count the number of words that are selected.
For example: 10/345 signifies that 10 words have been highlighted in a 345 word document.
Count Statistics: words, lines, paragraphs, footnotes, endnotes, and text boxes, etc.
Click Review tab / Proofing group / Word Count

The following screen will display all the information pertaining to the document:

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