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If another flow contains an imported dataset that you want to use, you can import it into your current flow.
Steps:

1. Open the target flow.
2. In Flow View, select Add Datasets.
3. In the Add Datasets to Flow dialog, click the Imported tab.
4. Browse the available datasets: 
   1. Select the one to import.
   2. If you do not see it, click Imported Datasets. Navigate and select the dataset to import.
5. The dataset is imported into the flow.

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