Received a DOCX file but do not have Microsoft Word installed? That is not a fundamental problem. Several word processors can open and edit DOCX files, either locally on your computer or in the browser.
The best option depends on how much you care about formatting fidelity, local processing, collaboration, and operating-system support.
1. Priviot Write
Priviot Write is a word processor for macOS and Windows. DOCX is its standard document format, so existing DOCX files can be opened, edited, and saved directly.
Core document editing happens locally and does not require a mandatory account. As with other alternative editors, highly complex Word documents may render differently.
See the dedicated DOCX editor page for more detail.
2. LibreOffice Writer
LibreOffice Writer is the word processor in the free LibreOffice suite. It can open DOCX files and save documents in Microsoft Office formats. LibreOffice is widely available on Windows, macOS, and Linux and is a strong option if you want a traditional full office suite.
Its native default format is ODT, so complex DOCX files should be checked after editing and saving.
3. ONLYOFFICE Desktop Editors
ONLYOFFICE offers desktop editors for Windows, macOS, and Linux. The suite focuses heavily on common office formats and can edit DOCX files locally.
As always, the more complex the original document, the more useful a visual comparison becomes.
4. Apple Pages
On Mac, iPhone, and iPad, Apple Pages can import Word documents and export them again as DOCX. It is convenient if you already work entirely within Apple's ecosystem and do not want another office suite.
Pages uses its own document model, so complex Word layouts can change during import or export.
5. Google Docs
Google Docs can edit Office files in the browser. Its biggest advantage is collaboration and access across devices. The trade-off is that the file is processed through the service's cloud infrastructure.
For confidential documents, decide deliberately whether that cloud workflow is appropriate.
Which option fits your situation?
You want local editing on macOS or Windows
Priviot Write, LibreOffice Writer, and ONLYOFFICE are obvious candidates.
You use Linux
LibreOffice and ONLYOFFICE support Linux. Priviot Write currently focuses on macOS and Windows.
You need real-time collaboration
A browser-based service such as Google Docs is often more convenient than a purely local editor.
You need maximum Microsoft Word fidelity
If the document depends on specialized Word features or must preserve an exact layout, Microsoft Word itself can still be the safest reference environment. An alternative does not need to win every use case.
Why DOCX formatting can change
DOCX is a complex document format. Fonts, page breaks, text boxes, tables, embedded objects, and Word-specific features can be interpreted differently by different applications.
For important documents, reopen the saved file, review pagination and layout, and consider exporting a PDF as the fixed delivery version.
Conclusion
You do not need Microsoft Word simply to open or edit a DOCX file. The best alternative depends on whether local processing, Linux support, collaboration, or maximum Word compatibility matters most to you.