In case you’re still using an older version of Microsoft Office, you might be having trouble opening files created with Office 2007. Some of those files might be of critical importance to you, and getting them open is a must. Well, here’s the answer to you problems: download and install the Microsoft Office Compatibility Pack for Word, Excel and PowerPoint 2007 File Formats. Open, edit, and save documents, workbooks, and presentations in the file formats new to Microsoft Office Word, Excel, and PowerPoint 2007. Enjoy!