GMX Online Office

GMX Online Office

Free Word editor and much more: in your mailbox

  • Complimentary office tool

  • No installation needed
  • Intuitive design
GMX Online Office

Flexible online file processing with GMX

From spontaneous presentations to editing Word documents, we’ve got you covered with our Online Office for all your professional or personal needs. At GMX, we appreciate the value of having round-the-clock access to all your work files and documents – no matter where in the world you’re located. Fully integrated into your GMX mailbox, our free Word, Excel and PowerPoint processor allows you to take care of business on the go and at zero cost.

Your tools for business and private use

Applications for all your office needs

Writing tool

No pen and paper needed, there are lots of different design elements for all your digital documents.

Calculation tool

All your calculations in one place - manage your numbers and keep them safe in your GMX Cloud.

Presentation tool

Last-minute presentation needed? No problem! Simply create it on the go in your GMX mailbox.

Online Office at a glance

Discover all its advantages

Convenient and helpful

Even more time-saving functions

Spell checker

Spell check

Use the automatic spell check tool to quickly identify and correct spelling mistakes in your documents.

file versioning

File repair

Get an overview of the change process applied to your document and simply reset it to its old state if required.

Supported Office formats

From .doc to .xls to .ppt and more

Word processing

Word processing

.doc, .docx
Microsoft Word

OpenOffice & LibreOffice Writer

.rtf, .txt

spreadsheet calculation

Spreadsheet calculation

.xls, .xlsx
Microsoft Excel

OpenOffice & LibreOffice Calc



.ppt, .pptx
Microsoft PowerPoint

OpenOffice & LibreOffice Impress

Feedback for the future

Help us improve Online Office!

Feedback on Online Office

As we are continuously working on our Online Office solution, you have the opportunity to share your feedback and shape the future of GMX Online Office. Simply provide your feedback via the ‘Feedback’ button, which is located in the lower left-hand corner of your Online Office. At GMX, your input counts!


We have all the answers you need at a glance

What is Online Office from GMX and what are the advantages?

With Excel, PowerPoint and Word for free, and no installation required, the comprehensive email productivity tool by GMX streamlines communication. Users can open, edit and create files online regardless of location. From collaborating on last-minute online presentations to creating a spreadsheet ahead of a meeting, the complementary feature maximises the potential of your GMX mailbox. This cloud-based tool is simple to use and requires minimum know-how, making it the perfect solution for both businesses and personal users alike. At GMX, we value spontaneous travel, remote work and modern workplaces, which is why our tool is compatible with all browsers, so you can access it from any location or various devices – without installing anything!

Are Online Office and GMX Cloud connected?

Yes, they are! Online Office automatically stores files safely and securely in the GMX Cloud, where there’s enough room for about 300,000 files. This lets you access all your important documents or presentations anywhere, anytime.

How can I access Online Office?

With a free Word, Excel and PowerPoint processor, no matter what your project is, you can take care of it quickly and easily with GMX. Access the Online Office tool via your GMX account: after logging in, you can find the ‘Online Office’ button right next to ‘Cloud’ in the upper navigation bar.

As an alternative, you can click on a particular file from your GMX Cloud or email attachments and select ‘Edit’. Your document will then open directly in Online Office.

Which file formats are supported by the GMX Online Office feature?

Users can open, create and edit files online in standard Microsoft Office, OpenOffice and LibreOffice formats:

  • Text processing: .doc, .docx, .odt, .rtf, .txt
  • Spreadsheets: .xls, .xslx, .ods
  • Presentations: .ppt, .pptx, .odp

Can I save files created with GMX Online Office to my computer?

Yes, that’s possible! If you want to save your document, spreadsheet or presentation locally on your computer, simply select the preferred file format under ‘File’ > ‘Download as’ and choose the desired storage location.

Is the GMX Online Office available free of charge?

Yes, it is! With Online Office users enjoy a free alternative to Microsoft Office without the licensing costs or installation process.

Are my files protected in Online Office?

Similar to our free email accounts, which are packed full of security features like powerful antivirus and spam filters, our Online Office is also highly secure. When working with sensitive information via a word editor program or a presentation maker tool, at GMX we appreciate the need for watertight security and privacy. This is why we take advantage of comprehensive data protection to secure all your Online Office documents in our trusted GMX Cloud.

Where can I find additional help with the Online Office?

For any further questions regarding Online Office or its various features, visit the GMX Help Centre, which provides a comprehensive guide explaining how to use the free Excel, PowerPoint and Word features. We also offer step-by-step instructions complete with image demonstrations.

In addition, it is recommendable to take our Online Office ‘Welcome tour‘ and have GMX guide you through this handy office tool. To access the tour simply click the corresponding button in the bottom left-hand corner once you accessed Online Office in your GMX email account.

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