XLSX Viewer: open Excel files online

Open .xlsx, .xls and .csv files right in your browser, no Excel needed. Flip through every sheet, then copy the data or save it as CSV.

  • No Excel needed
  • Every sheet
  • Up to 1,000 rows on screen
  • Nothing uploaded
No upload. No sign-up. No set size limit.

Your files are converted on your own device. Nothing is uploaded, stored or seen by us.

How it works

How to open an XLSX file online

  1. Drop the file

    Drag an .xlsx, .xls, .xlsb, .ods or .csv file onto the box, or click Choose files.

  2. Flip through the sheets

    Each sheet has a tab. The viewer shows up to 1,000 rows and 100 columns of each sheet exactly as Excel displays them.

  3. Take the data with you

    Copy a sheet to your clipboard, or download it as CSV to open in any program.

Good to know

When a browser viewer is handy

No Excel on this computer

Check an attachment on a work laptop, a Chromebook or a library computer without installing anything.

Private files

Unlike online viewers that upload your file, this one reads it inside your browser.

Old and odd formats

Opens .xls from Excel 97–2003, .xlsb, LibreOffice .ods and Excel 2003 XML as well as .xlsx.

Protected files

Know the password? Type it in and the file is unlocked on your computer.

Need the whole file as CSV? Use the XLSX to CSV converter. More help: how to open an XLSX file on any device. Wondering what these files are? Read what is an XLSX file and what is a CSV file.

FAQ

Questions

How do I open an XLSX file without Excel?

Drop the .xlsx file onto the viewer above. It opens in your browser, so you don't need Excel, Office or an account. Click the sheet tabs to switch sheets.

Which program opens .xlsx files?

Microsoft Excel, the free Excel for the web, Google Sheets, LibreOffice Calc and Apple Numbers all open .xlsx files. For a quick look, this viewer works in any browser.

Can I edit the file here?

No, this is a viewer. You can copy the data or download any sheet as a CSV, then open that in any spreadsheet program to edit it.

Is my spreadsheet uploaded?

No. The file is read in your browser tab and never leaves your computer, so it's safe for private data.

Can it open password-protected files?

Yes, if you know the password. It's used only on your computer.