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Hi @Reprobus R,
Firstly, please try to click on a specific collection that has saved a large number of files and try to click the refresh button above to see if it will be reloaded (as shown in the figure below). In addition, please note that not all files can be added to Edge Collections, such as local files. Edge Collections currently supports saving the following three types of content:
- Select Add current page to save an entire webpage to the collection.
- Select and drag an image into the collection.
- Select and drag a link or highlighted text into the collection.
You can refer to the link.
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Best regards,
Jinxin Wang