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The receipt images are stored in the Digital Wallet (for more about the desktop version of the Digital Wallet, see Using the Digital Wallet). While stored in the Digital Wallet, the system performs the recognition process for the receipt if Automated Receipt Processing is enabled for your site. When the recognition process finishes, the description appears for the receipt rather than the usual time/date stamp.
To learn how to view receipts and transactions in the Digital Wallet, and add them to expense reports, see Adding Transactions and Receipts to an Expense Report with the Mobile App.