Adding people to a safe senders list

If you find that e-mails you are expecting are going to your junk or spam mailbox instead of your inbox, you may be able to fix the problem by adding the senders to a safe senders list, also called a whitelist. Here are instructions for how to add people to a safe senders or whitelist using various e-mail systems.

Outlook (PC):
https://support.office.com/en-us/article/Add-recipients-of-my-email-messages-to-the-Safe-Senders-List-BE1BAEA0-BEAB-4A30-B968-9004332336CE

Office 365:
https://support.office.com/en-us/article/Block-or-allow-junk-email-settings-48c9f6f7-2309-4f95-9a4d-de987e880e46#bkmk_safesenders

Outlook (Mac):
Follow instructions for Office 365

G-mail:
https://www.lifewire.com/how-to-whitelist-a-sender-or-domain-in-gmail-1172106