If a list is taking a long time to import it is mostly likely due to the size of the CSV file itself.
- There are two different import queues:
- Large imports - any file with over 10,000 contacts in it
- Small imports - any file with under 10,000 contacts in it
- Small imports process faster than large imports.
- Check the CSV that is being imported to see how many contacts are in the file.
Additionally, only three files can be actively importing at the same time.