I have a 5m DEM for an entire province in Spain. It is over 48gb in size and is in asc file format. I only need a very small, 50 km² area.
I open the DEM in ArcDesktop, and i get the loading bar for hours.
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@FelixIP has the correct answer.
My issue was that the dataset couldnot be processed on my perosnal workstation, with 8 GB of RAM. It required a powerstation with 128GB of RAM.