Phil Seamark explains what the KEEPFILTERS() function does in DAX:
If you ever spend time looking at DAX generated by the Power BI Desktop Performance Analyser, you may notice a function called KEEPFILTERS appear from time to time. It’s not a function I find myself using often, so I thought I’d do a bit of digging to find out what it does and when it might be useful.
Read on to learn exactly what it does.