There are 2 ways to import collections: import by Collection Name or import Collection Tree (collection tree, meaning a list of collections separated by special characters).

To import Collections by Collection Name, navigate to «Associations» tab:

Select «Collections import method» to «Collection Name» & select the corresponding column with the collections in your file:

To add another condition for collections, click on the «Add Collection» button:

To import Collections by Collection Tree, select the «Collection tree» option:

Imagine that our file contains a list of the following categories:

Select a separator in the «Collections delimiter» selection & select a «Collection tree list» option from our file:

In case you need to remove current product collections associations click on the «Remove collections associations» option: