I'm new R and trying to migrate from using Excel.

I used the Data analysis toolpak > random number generator in Excel to run 100k simulation runs on a normal distribution with mean 200k and standard deviation 10k with a computer seed as 100.

I then ran the same in R using the following code:

set.seed(100)

simple_sim = rnorm(100000, 200000, 10000)

The simulation results were different. Please could someone explain why?