How would i get a column to automatically increment based on the population of another cell in the row? For instance, column A contains my order numbers 00001-00002-00003 etc... I want it to automatically count upwards whenever i enter something on a cell on the next row, so if i only have 00001 on A1, then when i input something into a cell on row 2, it will increment automatically on A2 to 00002.
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