Outlook 2016 not updating messages

Cached Exchange Mode enables a better experience when you use an Exchange account.

In this mode, a copy of your mailbox is saved on your computer.

An app password is a one-time-use password that you enter instead of your email account password.

Using an app password lets Gmail, Yahoo, and i Cloud confirm that you're the person accessing your email.

You can use these instructions to add your first account or additional accounts.

Some email providers, like Gmail, Yahoo, and i Cloud require you to turn on two-factor authentication and set up an app password.

Incredimail manufacturers have changed the storage format in new versions.

It is not match to mailbox (.mbox) file format anymore.You cannot use Cached Exchange Mode with a POP or IMAP account.If Outlook is stuck in Offline mode, see Work offline in Outlook.If you have a new password, if your email provider has asked you to change settings, or if you're having problems with sending and receiving email, you can change your email account settings in a few steps.If you need to enter specific values for incoming and outgoing server names, port numbers, or SSL settings, you can use Outlook's advanced setup option.See Set up two-factor authentication for Gmail, Set up two-factor authentication for Yahoo, or Set up two-factor authentication for i Cloud for information on how to generate an app password. Note: For all email accounts, your username is your full email address.