Sync MWS Account Estimated reading: 1 minute Why connect your Amazon MWS account to SellerApp?Import Product data faster to SellerApp account.Use SellerApp Portfolio Analytics – SellerApp pulls in your sales data on a continuous basis.Learn historical trends and predict sales.Please Note: It takes upto 2 Hours for your Amazon Account to sync with SellerApp. SellerApp protects your information with multiple layers of security, including data encryption.