Open XML File Format Converter

Open XML File Format Converter is a handy little app for OS X that makes it super easy to convert Open XML files. If you've got old files from Microsoft Office for Mac or Windows, this tool has you covered!

Easy File Conversion

With the help of the Open XML File Format Converter, you can open, edit, and save your documents using older versions of Office for Mac. It lets you convert one file or even a bunch of them at once into formats that Office 2004 for Mac and other apps can handle.

Powerful Conversion Engine

This app comes with a strong file conversion engine. You can transform your Word docs, Excel spreadsheets, and PowerPoint presentations saved in Open XML format into DOC, XLS, and PPT files without any hassle.

User-Friendly Interface

The best part? The Open XML File Format Converter has a simple interface that makes it easy to find what you need. You can choose to convert one file at a time or batch convert multiple files with just a couple of clicks!

Drag and Drop Functionality

Just drag and drop your file or files onto the main window of Open XML File Format Converter, and let it do the hard work! The top toolbar helps you switch between different conversion modes and allows you to add or remove files as needed.

Customizable Preferences

If you want to customize things a bit, just head over to the Preferences window. You can change where your converted files go by default and set it up so that your converted files open automatically after they’re done converting.

Installation Tips for Best Results

For top-notch results, it’s best to have Microsoft Office 2004 version 11.4.0+ or Office 10.1.9+ installed on your Mac. Plus, if you're looking for more info on installation and usage tips, check out the download page for Open XML File Format Converter.

Your Go-To App for Old Files!

If you're using an older version of Microsoft Office and have tons of Open XML files that need some love—like opening, editing, and saving—then Open XML File Format Converter is definitely the right app for you!