Workbook entry point
XLSX Workbook Workbench
Inspect workbook sheets, rows, formula/display warnings, export paths, and repeatable row or column rules without uploading the file.
Supported hereXLS, XLSX, XLSM, XLSB
Local boundaryWorkbook handling is local browser processing. Workbook source tabs are export-only for save-back, so originals stay protected.
Useful for:
XLSX viewer
online XLSX viewer
Excel inspector
Excel converter
Excel to CSV
Excel to database
workbook converter
XLSX diagnostics
spreadsheet to CSV
Does this overwrite my workbook?
No. Workbook tabs use export-copy boundaries. Direct workbook overwrite is not presented as a supported path.