Maybe it's a regional dialect? You can find a lot of examples of it in the wild, for example on microsoft forums: 1. https://answers.microsoft.com/en-us/msoffi

Maybe it's a regional dialect? You can find a lot of examples of it in the wild, for example on microsoft forums: 1. https://answers.microsoft.com/en-us/msoffice/forum/all/saving-off-a-column-of-calculated-values-each-week/00fa5d37-583b-4667-a8ba-0e37bc4614dd https://answers.microsoft.com/en-us/msoffice/forum/all/savin... 2. https://community.fabric.microsoft.com/t5/Service/End-User-Saving-Custom-Copy-of-Report-in-App-without-Consent/m-p/1524776 https://community.fabric.microsoft.com/t5/Service/End-User-S... In both cases it's being used for "copying". We can also see it was used as early as 15 years ago on this very site ( https://news.ycombinator.com/item?id=1182478 https://news.ycombinator.com/item?id=1182478 ), so it's not a new turn of phrase. My experience has definitely been that I've heard it more online and in San Francisco, and not very often in Germany, Texas, or Russia. Are you in one of those areas? I feel like the etymology is something like "print off a few sheets" becoming "copy off a sheet with the copier", and then to the more general digital copy meaning.