QuickBooks Multi-Currency is a useful feature for businesses dealing with foreign vendors, customers, or bank accounts. The problem is once you turn it on, you cannot turn it off. Many users find this frustrating when they no longer need it or when they realize it limits other QuickBooks functions. This article explains why QuickBooks locks the feature, what limitations you face, and practical steps to work around the issue. Why QuickBooks Locks Multi-Currency QuickBooks does not allow disabling Multi-Currency once activated because: It changes how transactions are stored in the database. Currency values attach to every customer, vendor, bank account, and item. Removing it would risk data corruption or calculation errors. Historical reports depend on exchange rates at the time of each entry. This permanent change is a safeguard to protect your company file. Common Limitations with Multi-Currency If you enabled Multi-Currency by mistake or no longer ...