It may not be that the specific act of moving specific cells of symbols to another spreadsheet is important, but just that he’s constantly saving updates to them. The files might reside on a server somewhere that is tied in to a supernatural device that keeps the void darkness at bay as long as the server doesn’t go to sleep. He’s just one of many contract workers doing the same across several shifts.
The person transferring the money to the account is a version of him from an alternate dimension where the void darkness succeeded because he ignored his task and he escaped to our dimension and now works to ensure the void darkness doesn’t succeed here as well. The money has to be lucrative enough that people don’t get complacent and find another job. Where does the money come from? Another version of him from a third dimension…
