Here are the multiple methods using which you can keep the leading zeros that are automatically omitted before a number in an Excel workbook.

Preserve Leading Zeros: Format cells as text to maintain leading zeros in barcode data, ensuring accuracy. Insert Barcodes with IMAGE Function: Use the IMAGE function in Excel to insert barcodes ...

By placing a zero before the decimal, the number is more readily recognized as less than one. By configuring a custom number format you can tell Excel to remove leading zeros.