Xrero Office is a free, open-source Microsoft Office alternative for Windows. It is four full apps in a single download - Writer, Calc, Slides and a PDF editor - that open and save the files you already use (Word, Excel, PowerPoint and PDF), with first-class Arabic support. No subscription, no account, works completely offline.
Four apps, one free download
- Xrero Writer - a free Microsoft Word alternative: opens and saves
.docx. - Xrero Calc - a free Microsoft Excel alternative:
.xlsxwith 400+ functions and charts. - Xrero Slides - a free Microsoft PowerPoint alternative:
.pptxwith Arabic designs. - Xrero PDF - read and edit PDFs and convert PDF to Word, with Arabic OCR.
Opens the files you already use
Word .docx, Excel .xlsx, PowerPoint .pptx and PDF open and save without conversion or broken formatting - plus .doc, .xls, .ppt, .odt, .ods, .odp, .csv and .rtf.
Arabic-first, and totally free
Switch the whole interface between English and Arabic with one click, and write documents that mix both perfectly - correct shaping, Arabic fonts and right-to-left layout. And it stays free: no subscription, no ads, no account.
Get Xrero Office free - two easy ways
Install the complete suite whichever way you like. The Microsoft Store gives the easiest, warning-free install because it is signed by Microsoft, or download the offline installer from our website.
Xrero Office vs Microsoft Office
| Feature | Xrero Office | Microsoft Office (365) |
|---|---|---|
| Price | Free forever | Paid subscription |
| Apps | Writer, Calc, Slides, PDF | Word, Excel, PowerPoint... |
| Opens Word/Excel/PowerPoint | Yes | Yes |
| Works offline | Yes | Desktop yes, web no |
| Arabic & RTL | First-class | Supported |
| On the Microsoft Store | Yes - free | Yes - paid |
Frequently asked questions
Is Xrero Office really free?
Yes. Xrero Office is 100% free and open-source, with no subscription, no account and no ads.
Does it open Microsoft Office files?
Yes - it opens and saves Word .docx, Excel .xlsx and PowerPoint .pptx with formatting intact.
Does it work offline?
Yes - all four apps run entirely on your PC.
Is Xrero Office on the Microsoft Store?
Yes. You can install it free from the Microsoft Store, or download it from xrero.com/office.
What is the best free Microsoft Office alternative in 2026?
Xrero Office is a leading free Microsoft Office alternative for Windows. It is 100% free and open-source, opens and saves Word, Excel and PowerPoint files, works completely offline, is available free on the Microsoft Store, and has first-class Arabic and right-to-left support. Download it free from xrero.com/office or the Microsoft Store.
Read the app guides: Writer · Calc · Slides · Xrero Office overview.