To import sites into a project:
Open the project where you’d like to add the sites.
Click Import Sites at the top.
Choose the column you want to import the sites into.
Click Select File and upload the file from your device.
Choose the header row and click Next.
Match the columns in your file with the fields on the project cards.
Validate the data.
The sites will be imported into your chosen column. This may take a few minutes depending on the number of rows.