Your balance sheet report shows bank account balances as assets. Foreign currency bank accounts fluctuate in value with exchange rates. For example, €5000 equals £3333.33 at 1.5 but £2857.14 at 1.75.
Use the Foreign Bank Revaluation Wizard to recalculate the base currency on your foreign currency bank accounts. This adjusts their value on your balance sheet and posts exchange rate gains or losses to your profit and loss. If you post a transaction before the revaluation date with a different exchange rate, and we'll revalue this transaction too.
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Resolution
Foreign bank Revaluation Wizard
From the menu toolbar, select Modules
Hover over Wizards then click Foreign Bank Revaluation.
If prompted to close any open windows, click Yes.
Choose the required currency.
Select the bank accounts you want to revalue.
Select Next.
Enter the revaluation date and revaluation exchange rate.
Select Next. TIP:The revalulation wizard will revalue the balance from the start of your accounts, up to the data you enter here.
The exchange rate is the amount of foreign currency that makes up one unit of the base currency. For example, using a base currency of pounds sterling, if a pound is worth 1.2 euros, the exchange rate is 1.2.
Click Post to finalise the revaluation.
Foreign bank revaluation reversal
Click Bank accounts on the left.
Double-click on the bank account to open it.
On the left click, Revaluations.
Highlight the revaluation you'd like to reverse and click Show Balances.
The option to click Reverse will now show and once you click Reverse, the valuation will disappear.
TIP: 
