Previous months' invoices are not available in OkiOki. What is the reason behind this?

OkiOki monitors your mailbox only from the moment you connect it to OkiOki. OkiOki does not automatically look up documents from the past in order not to incur too many costs because of documents that may no longer be needed. You may have already sent them to your accountant.

The best way to get those into OkiOki is to forward them to your OkiOki mailbox (XXXXXXXXXXX@okioki.app).