They didn’t start out building an enterprise critical application, they normally started as some little script someone built to make their work faster. Then they shared it with the team, built more features, and 20 years later hundreds of staff are using it and if it dissappeared they would be screwed.
Plus the data in them is often the only record of critical data (in their defense, the spreadsheets are typically stored somewhere where the backup process will back them up).
They didn’t start out building an enterprise critical application, they normally started as some little script someone built to make their work faster. Then they shared it with the team, built more features, and 20 years later hundreds of staff are using it and if it dissappeared they would be screwed.
Plus the data in them is often the only record of critical data (in their defense, the spreadsheets are typically stored somewhere where the backup process will back them up).
Nothing is more permanent than a temporary solution