Now in Office for Mac, you can open Word, Excel, and PowerPoint files saved in OpenDocument Format (.odt, .ods, .odp) and convert them to editable Microsoft OOXML files (.docx, .xlsx, .pptx ).
Note: You'll need to be connected to the internet to open ODF files and convert them to OOXML files. For more info on the conversion process, see Why does the Microsoft online service need to convert some Office files?

Official Apache OpenOffice download page. Join the OpenOffice revolution, the free office productivity suite with over 280 million trusted downloads. Microsoft Office is a suite of different applications, servers and services that was developed by Microsoft Company for Windows and Mac OS X operating systems in1989. OpenOffice is open-source, free software that is available to everyone on the market for download.

Open an OpenDocument Format file in Office for Mac
Select File > Open.
Navigate to the location where your OpenDocument Format file is saved.
Choose the file you want, and then select Open.
The first time you open an OpenDocument Format file, you'll see a notification asking your permission to convert the file using the Microsoft online service (this example is from PowerPoint):
To continue opening your file, select Allow.
For more information on the Microsoft online service conversion process, see Why does the Microsoft online service need to convert some Office files?
After you've opened your file, you'll see a notification that tells you the file is read-only. To edit the file, click Save As to first save it as a Microsoft OOXML file. After you've opened the ODF file and saved it as an OOXML file, you can edit and save your changes.
Requirements
Open Office Or Microsoft Office For Mac Download
This feature isn't available in Office for Mac 2011. It is only available in newer versions.
See Also

Latest Version:
Microsoft Office 2016 16.35 LATEST
Requirements:
Mac OS X 10.10 or later
Author / Product:
Microsoft Corporation / Microsoft Office for Mac
Old Versions:
Filename:
Microsoft_Office_16.34.20030802_Installer.pkg
Details:
Microsoft Office for Mac 2020 full offline installer setup for Mac
Open Office Or Microsoft Office For Mac 2016
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Word for Mac
Create, polish, and share beautiful and professional documents. The state-of-the-art authoring and reviewing tools in Word make the creation of polished documents easy. The new Insights pane shows relevant contextual information from the web inside Word. The Design tab enables you to manage layout, colors, and fonts across a document.
Get more done by working together using built-in tools to share and review documents. Several people can work on the same document simultaneously and use threaded comments to have a conversation right next to relevant text.
Excel for Mac
Analyze and visualize numbers in new and intuitive ways. The new Excel for Mac enables you to turn numbers into insights. Familiar keyboard shortcuts and data entry enhancements like formula builder and autocomplete immediately make you more productive. Excel also helps you visualize your data by recommending charts best suited for your numbers, and letting you quickly preview the different options. New PivotTable Slicers help you discover patterns in large volumes of data.
PowerPoint for Mac
Create multimedia presentations and present your ideas with confidence. Walk into your next presentation with complete confidence. The new Presenter View in PowerPoint displays the current slide, next slide, speaker notes, and a timer on your Mac, while projecting only the presentation to your audience on the big screen. A new Animation pane helps you design and fine-tune animations, and refined slide transitions ensure the finished product is polished. Easily share your presentation and invite others to work on the same presentation simultaneously.
OneNote for Mac
Harness your thoughts in your very own digital notebook. Capture, organize and share your ideas with digital notebooks that you can access on any device. Find things quickly with a powerful search engine that tracks your tags, indexes your typed notes, and recognizes text in images and handwritten notes. Bold, italicize, underline, highlight, insert files, pictures and tables—format your notes like you want. Easily share notebooks with friends, family, or colleagues so everyone can work together on travel plans, household tasks, or work projects.
Outlook for Mac
Stay organized with an email and calendar experience that's fast and looks great. Managing your email, calendar, contacts, and tasks has never been easier. The new Outlook for Mac has push mail support so your inbox is always up to date. The improved conversation view automatically organizes your inbox around threaded conversations, so you'll never hunt for related messages again. And the new message preview gives you the first sentence of an email just below the subject line, so you can quickly decide if you want to read it now or come back later.
Note: Limitations in the unregistered version, you get to open documents but you cannot edit them or create new ones.
Also Available: Download Microsoft Office for Windows