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Windows · Office & Productivity

LibreOffice for Windows

Free, open-source office suite with Writer, Calc, and Impress that opens and saves Microsoft Word, Excel, and PowerPoint files.

Updated August 9, 2026 · Reviewed by SoftNexi Editorial Team, Software research and documentation

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Overview

LibreOffice is a full office suite developed by The Document Foundation, forked from OpenOffice.org. It bundles Writer (word processing), Calc (spreadsheets), Impress (presentations), Draw, Base, and Math into a single free download with no subscription and no account requirement.

It suits people who want to read, edit, and produce Word, Excel, and PowerPoint files without paying for Microsoft 365 — students, home users, small offices, and anyone who needs a spreadsheet or document editor on a machine that doesn't already have Office installed. It also handles OpenDocument formats (ODT, ODS, ODP) natively, which it defaults to unless you change the setting.

The main difference from Microsoft 365 is that LibreOffice is a one-time install with no cloud collaboration layer built in, and complex Office file formatting — advanced macros, certain chart types, and intricate Excel formulas — can shift slightly when round-tripped through LibreOffice. For straightforward documents, spreadsheets, and slide decks it is a capable, no-cost substitute.

Because it is open source and cross-platform, the same suite is available on Windows, Linux, and Mac, which makes it a common choice for organizations standardizing on a single free toolset across mixed operating systems.

Key features

  • Writer, Calc, Impress, Draw, Base, and Math in one installer
  • Opens and saves .docx, .xlsx, and .pptx alongside native ODF formats
  • Built-in PDF export from any module without a separate printer driver
  • Extension manager for templates, dictionaries, and add-ons
  • Macro support via LibreOffice Basic, Python, and other scripting languages
  • Regular security and compatibility updates from an active open-source project

System requirements

Operating system
Windows 11 and Windows 10 (64-bit); a 32-bit build is also offered
Disk space
Roughly 1.5 GB free during and after installation
Permissions
Administrator rights recommended for a machine-wide install

How to install LibreOffice

  1. 1. Download the installer

    Go to libreoffice.org/download and choose the Windows version; a Help Pack for additional languages is optional.

  2. 2. Run the setup

    Approve the User Account Control prompt and follow the wizard; a Typical installation covers most users.

  3. 3. Set your default formats (optional)

    In Tools > Options > Load/Save, you can set Word/Excel/PowerPoint formats as the default save type if you exchange files mainly with Microsoft Office users.

  4. 4. Launch and register your name

    The first run asks for a user name used in tracked changes and document metadata.

How to use it

  1. 1. Open a Word or Excel file

    Double-click any .docx or .xlsx file, or use File > Open inside Writer or Calc; LibreOffice auto-detects the format.

  2. 2. Save back to Office format

    Use File > Save As and pick Word 2007-365 or Excel 2007-365 if you need to keep sharing with Microsoft Office users, since ODF is the default.

  3. 3. Export a PDF

    File > Export As > Export as PDF gives control over quality and password protection without installing a virtual printer.

  4. 4. Use the Extensions site

    Visit the LibreOffice extension repository for templates, dictionaries, and additional tools you install through the built-in Extension Manager.

Safety and privacy

  • Download only from libreoffice.org; third-party mirrors sometimes wrap installers in adware.
  • The suite is open source, so its code is publicly auditable by the community.
Bundled software
The official Windows installer offers no bundled toolbars or third-party offers.
Privacy
LibreOffice works offline by default and does not require a cloud account to open, edit, or save files.

Known risks

  • Documents with complex Office-specific macros or formatting may render slightly differently than in Microsoft applications.
  • As with any document editor, be cautious enabling macros in files received from unknown senders.

What's new

    Pros and cons

    Pros

    • Completely free with no subscription or account
    • Broad compatibility with Word, Excel, and PowerPoint formats
    • Full suite covers documents, spreadsheets, presentations, and databases
    • Open-source codebase with an active community and frequent updates

    Cons

    • No built-in real-time cloud co-authoring comparable to Microsoft 365
    • Complex Office file formatting can shift slightly on conversion
    • Interface feels dated compared to the modern Office ribbon
    • Macro compatibility with VBA is only partial

    Verdict

    LibreOffice is a solid, no-cost choice for people who need a full office suite without a subscription and can tolerate occasional formatting quirks in complex Office files. It's less suited to teams that depend on live cloud co-authoring across Word, Excel, and PowerPoint.

    Frequently asked questions

    Is LibreOffice really free?

    Yes, LibreOffice is free for personal and business use with no subscription, license key, or account required.

    Does LibreOffice work with .docx and .xlsx files?

    Yes, it opens and saves Microsoft Word, Excel, and PowerPoint formats, though very complex formatting or macros may not convert perfectly.

    Does LibreOffice run on Windows 11?

    Yes, current LibreOffice releases support Windows 11 and Windows 10 (64-bit), with a 32-bit build also available.

    Can LibreOffice replace Microsoft Office entirely?

    For most everyday documents, spreadsheets, and presentations, yes — but teams relying on advanced Excel features, VBA macros, or live cloud co-authoring may still prefer Microsoft 365.