Your flashdrive is a convenient way of keeping a back-up copy and transferring files between computers

You need first to define your flashdrive in SETTINGS

(1) Open the file which you want to copy

(2) Click on the FLASHDRIVE tab in the top toolbar menu

In scrutelle and RM this will copy the SCT/SCX files
In CM all the XLS files referenced in the events spreadsheet will be copied
Make sure that you open the file in scrutelle, CM or RM as appropriate