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XLSX Viewer & Editor - Edit Excel Files Online Free with Multi-Sheet Tabs

The ultimate browser-based XLSX Viewer and Editor. Parse multi-sheet Excel workbooks, edit cell contents, add or remove rows and columns, sort data, filter records, and calculate numerical totals instantly.

✓ 100% Free & Unlimited ✓ 100% Browser Local & Private ✓ No Registration Required
XLSX Viewer and Editor Free Online Tool Preview on Checkistan

How to use XLSX Viewer and Editor Online

  1. Step 1: Upload your .xlsx Excel workbook file.
  2. Step 2: Navigate between worksheet tabs at the top of the workbench.
  3. Step 3: Edit cell contents inline, sort columns, or add new rows/columns.
  4. Step 4: Export your updated spreadsheet as XLSX or CSV.

Frequently Asked Questions

Does it support multiple sheets in a single workbook?

Yes! Worksheets appear as interactive tabs so you can switch between sheets effortlessly.

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