OnlyOffice is a new free office suite tool that has a similar user interface to Microsoft Word, and it promises to support the ".docx" file format in near perfect compatibility.

You can download OnlyOffice on the website. It is cross-platform, meaning you can install it on Windows, Mac, and Linux. They also have online tools and editions for iPhone and Android.

When you open OnlyOffice you get a unified hub where you are able to create documents for writing, spreadsheets, presentations, and even active forms.

Tools include:

• Word Processor
• Spreadsheets
• Presentation
• Active PDF Form Creator