https://gethuman.com/customer-service/CompuServe/faq/Is-there-a-limit-to-the-amount-of-email-storage-on-CompuServe/s1DxTJ
CompuServe does impose storage limits on email accounts, which may differ based on the chosen plan. Users experiencing full inboxes should manage their...
email storagelimitamount
https://gethuman.com/customer-service/CompuServe/faq/Can-I-transfer-my-existing-email-contacts-to-CompuServe/iseY9E
CompuServe users can transfer their existing email contacts by exporting from their current service in formats like CSV or vCard. After exporting, they can...
email contactstransferexistingcompuserve