They're going to run out of letters pretty soon.

gruez · 2026-05-28T18:55:07 1779994507

Anyone in finance should know that excel doesn't run out of letters (for columns) either. It just rolls over to AA, AB, etc.

onychomys · 2026-05-28T19:57:08 1779998228

They eventually stop, Excel has a max column size of 16,384. Not sure what letter combo that would be (ZZZZZZZZZZ or something?), but it does eventually halt.

https://support.microsoft.com/en-us/office/excel-specificati...

HDBaseT · 2026-05-28T23:58:34 1780012714

Not even close, column 16,384 ends at XFD. [0].

[0] - https://learn.microsoft.com/en-us/answers/questions/4888467/...