Regulators view the existence of an unsecured ids.xls file as a negligent practice. Depending on your jurisdiction, penalties include:
The .xls format became popular in the late 1990s and early 2000s for storing ID lists because: ids.xls
Standard formulas recalculate when you sort data, which can scramble your IDs. To keep them permanent: Manual Method: Fill your column using the Fill Handle Regulators view the existence of an unsecured ids