Many Microsoft Office 2010 products, such as Word, PowerPoint and Publisher, directly support the Rich Text Format, which is compatible with a wide range of products. Some Office products, such as Excel and OneNote, cannot create RTF files without Word acting as an intermediary. Saving OneNote pages in Word's DOCX format enables Word to convert the file into RTF format. Similarly, Word can directly open Excel spreadsheets and then save the resulting document as an RTF file.
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