Since Office 2007 is no longer officially supported, the original Microsoft download page is often unavailable. However, you can still find the official add-in through reputable third-party archives and software repositories. How to enable save as PDF in Microsoft Office 2007 ?
Microsoft Office 2007 does not include a built-in "Save as PDF" feature by default. To enable this functionality for free, you must download and install a specific Microsoft add-in or upgrade to Service Pack 2. how to convert excel to pdf in office 2007 free download