Note: These instructions for migrating your citations assume that you have a Zotero account set up and running.
Step 1: Select the folder/group of references you want to export and under the "share" menu select "Export references"
Step 2: On the next screen, select the "RIS Format" option.
Step 3: Your Zotero library will open with the dialog box shown below; click "OK" to import your file.
Step 4: The folder with your recent exports will be selected; rename it if desired.