When the File Is an Old .xls
Key points
- Open
- Re-save
Steps
- Old .xls files cannot be opened in Split an Excel File by Sheet.
- Open it in Excel and save it as .xlsx.
- Select the re-saved file.
Tools that go well with this
- Convert Excel to CSV or JSON: Convert an Excel sheet to CSV, TSV or JSON.
- Convert CSV to Excel (.xlsx): Convert a CSV to an Excel (.xlsx) file.
- Convert Excel Formulas to Values: Replace Excel formulas with their values.