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1. Open powerapps.com, and then click or tap Apps in the left navigation bar.<br />
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2. Near the right edge, click or tap the info icon for the app that you want to restore.<br />
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3. Click or tap the Versions tab, and then click or tap Restore for the version that you want to restore.<br />
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<img src="https://examsqa.com/storage/question-images/microsoft-power-platform-fundamentals-exam-pl-900_page_2_Im2.jpg" alt="Exhibit" style="max-width: 100%; height: auto;" /><br />
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4. In the confirmation dialog box, click or tap Restore.<br />
A new version is added to your list.<br />
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<img src="https://examsqa.com/storage/question-images/microsoft-power-platform-fundamentals-exam-pl-900_page_2_Im3.jpg" alt="Exhibit" style="max-width: 100%; height: auto;" /><br />
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Reference: https://docs.microsoft.com/en-us/powerapps/maker/canvas-apps/restore-an-app