On the computer with an earlier version of Office, go to the Download Center and download the Microsoft Office Compatibility Pack for 2007 Office Word, Excel and PowerPoint File Formats.是什么意思_On the computer with an earlier version of Office, go to the Download Center and download the Microsoft Office Compatibility Pack for 2007 Office Word, Excel and PowerPoint File Formats.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句