Calculating the required file system folder depth

You should estimate the suitable number of folder levels based on number of messages and the time you want to store them. Calculate the required number of folder levels based on these parameters:

For example:

Calculation based on the example above:

Note: 

Set DocArchiver.Level to 5, at maximum, since each additional folder level comes with a slight performance penalty for locating the files. You need to balance this with the impact of having too few folders with too many files, which will have a negative effect in performance.