Always, always, always keep a clean, unedited copy of OriginalDB.mdb in a separate folder. You will need it when (not if) you break something.
: Certain versions of the editor increase database capacities, such as expanding player names from 32,767 to 65,535 and adboards from 245 to 4,096. Access and Installation Fifa Manager 14 Database Editor
: Modify reputation, finances (starting budget), stadium capacity, and facilities. Always, always, always keep a clean, unedited copy
After making changes, save the database. For changes to take effect in-game, you often need to select the edited database when starting a new career. Modern Community Support Access and Installation : Modify reputation
Manually reflect real-world transfers, aging, and retirements that EA no longer supports. Modify Global Structures:
: To bypass the standard league limit, edit the user.ini file (found in your Documents/FIFA MANAGER 14/Config folder) and add IGNORE_LEAGUE_LIMITATION=1 at the end.