#xlsx

Old laptop or Chromebook struggling with Office? Compare free options that run fast on weak hardware, and why browser editors that render on a server help.

Edit .docx, .xlsx and .pptx files in your browser for free, no Microsoft Office install. Steps, format support, limits, and how it compares to the alternatives.

Open and edit XLSX, XLS, ODS and CSV files in your browser for free. Real formulas, multiple sheets, export options, limits and tips for large files.