To generate unique IDs in an Excel file ( ), you can use formulas that automatically increment or combine specific data points. Here are the most effective ways to set this up based on community experts and Microsoft Support 1. Simple Sequential IDs If you just need a basic 1, 2, 3 sequence, use the function. This is dynamic and updates if you move rows. (assuming your headers are in row 1). If you want a specific format like "ID-001", use: =TEXT(ROW()-1, "ID-000") 2. Auto-Incrementing for New Rows
– older Excel formats can contain macros ( .xls can have embedded VBA macros, unlike .xlsx which is macro-free by default). If the file is from an unknown sender, scan with antivirus or open in Google Sheets (which strips macros). ids.xls
| Column Name | Description | Risk Level | | :--- | :--- | :--- | | | Internal employee or customer login ID | Medium | | SSN | Social Security Numbers (or national IDs) | Critical | | Passport_Num | Government-issued passport numbers | High | | Credit_Card_Token | Partial or full credit card data | Critical | | Patient_ID | Medical record numbers (PHI) | High | | Student_ID | University or school identifiers | Low-Medium | To generate unique IDs in an Excel file
is most commonly associated with a list of Chinese National IDs This is dynamic and updates if you move rows