The Folder Scanner is a command-line tool to discover the number of emails in folder structure and their size on disk.

You can either run it in a Command window or just double-click the EXE and then provide a path, by either typing, pasting or drag & drop.

By default, it will search for MSG and EML files but you can get it to search for other file extensions too.

Double-click method

In this example the user has double-clicked the EXE and then provided T:\ as the path and hit RETURN.

Once it has completed its scan, it will present a summary:

It also generates a CSV detailing the folders found, which it opens automatically at the end of the scan:

A summary is provided at the foot of the list:

Running via a command window

You can run the tool in a Command window and can either provide just the path to a folder or can include the file extensions to search for. In the following example it is searching the same folders as in the example above: