Spammers discovered a better way to get your attention: meeting requests. A meeting request spam will add a tentative appointment to your calendar (or an accepted meeting, if you autoaccept appointments) and pop up a reminder to get your attention.
How to edit the subject of an incoming message in any version of Outlook.
Signatures in Outlook are assigned to each email account in your profile. Change the sending account and the signature will change to the one assigned to the account.
How to configure Outlook to send a recurring email on a schedule, using VBA or PowerShell. Included on this page are a list of third party utilities that can be used to schedule messages.
Why the Not Junk option is disabled or greyed out in Outlook.
When sending mail from other applications, such as accounting or invoicing applications, messages will be sent from the email account associated with the default data file, not the default email account.
Gmail, Yahoo and other email providers switched to OAuth 2 and turned Basic Authentication off by default. When you log into the website to enable basic authentication, you are warned that it is a less secure login.
Users are complaining that their email is being marked as read as it is downloaded, before they've read the messages.
How to block junk mail and spam sent from the new top-level domains in Outlook.
On November 1, 2016, Microsoft will stop releasing updates to Junk Email definitions for the Junk Email filter in Outlook and Exchange Server. The junk email filter will continue to work in Outlook, using the last definition installed, it just won't be updated going forward.