For simple conversion use this:
Create Adobe® PDF Online: Easily convert and create PDF documents
Converts the following formats:
Microsoft® Office:
Word (.doc), PowerPoint (.ppt), Excel (.xls)
(documents which Microsoft Office 2000 is able to successfully open and print.)
Other Microsoft Formats
Publisher (.pub)
(documents which Microsoft Publisher 2002 is able to successfully open and print.)
Adobe Formats
Illustrator® (.ai), InDesign™ (.indd), FrameMaker® (.fm, .mif), PageMaker® (.pm, .pm6, .p65, .pmd, .pmt), Photoshop® (.psd)
Note: Files from Illustrator version 9 or later are already stored as PDF files and do not require conversion. InDesign files later than version 2.0 are not supported for conversion.
AutoCAD
AutoCAD (.dwg)
Note: Create Adobe PDF Online only supports AutoCAD files saved as versions Release 2.5 through AutoCAD 2002.
Corel WordPerfect Office Formats
WordPerfect (.wpd)
Adobe PostScript® Formats
PostScript (.ps, .prn), Encapsulated PostScript (.eps)
Text Formats
Rich Text Format (.rtf), Text (.txt)
Image Formats
Windows bitmap (.bmp), GIF (.gif), JPEG (.jpg), PCX (.pcx), PICT (.pct, .pict), PNG (.png), RLE (.rle), TIFF (.tif)