Huawei nova 9 SE User Manual page 19

This feature is unavailable in some apps.
1
Open the Email app.
2
Touch a link or attachment in the Email app to open it in the floating window.
Open a link: Touch a link in the Email app to display it in a floating window.
•
Open an attachment: Touch an attachment (such as a document, image, or video) in
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the Email app to display it in a floating window.
Essentials
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