Guides
Practical guides for editing Office files in your browser: opening a file, checking compatibility and keeping a downloaded copy of your work.
Open, edit and save an Office file
Your first edit, download formats and how to keep the latest copy.
Why a document can look different
Font substitutions, complex layouts and a practical check before sharing.
Understand your local file library
What is saved in the browser, what is not, and where older copies went.
Edit a Word document without Microsoft Word
Change text and formatting, open older DOC files and download a DOCX copy.
Edit Excel formulas and choose between XLSX and CSV
Try a small calculation and understand what a CSV download can preserve.
Edit PowerPoint slides online and save a PPTX
Update slide text and objects, check layout and prepare the downloaded copy.