The Ledger by company/fiscal year form shows the companies and fiscal years in which a particular ledger account is used. You can view the screen under the Windows menu or by pressing CTRL+F5:
Tip: To display information not shown in the overview, use the Column Chooser to add columns to the overview.
Example
The example below shows how to check where the ledger account '2000 Commitments' is used. Then a new column is added to the overview.