If Outlook is stuck in Offline mode, see Work offline in Outlook.
Important: When using Outlook with an Office 365 mailbox, we recommend always using Cached Exchange Mode.
You can continue to work while changes are synchronized.
Top of page When data is optimized for an Exchange connection type, the type of items that are synchronized with your server mailbox are different.
When you are using Cached Exchange Mode, an email message may remain in the Outbox for up to one minute until the next synchronization with the server that runs Exchange occurs.
If you want to send the message immediately, do the following: In addition to Exchange folders, Cached Exchange Mode works with shared folders.
When the On Slow Connections Download Headers Only setting is selected, Outlook stops automatically downloading full items and also leaves attachments on the server.
For example, you may use a laptop computer at your office and connect via a network cable to your corporate local area network (LAN).
And you must always sync your i Phone calendar with these calendar services. However, sometimes, you may come across an annoying issue that is i Phone calendar not syncing at all. In the Calendar app, go to Calendars and drag the screen down for a refresh. Besides, it even allows you to sync data from one i Cloud to another i Cloud account directly.
No matter i Phone calendar not syncing with i Cloud, not syncing with Gmail, or not syncing with Outlook, which will be very depressing.
By default, 12 months of your email is available offline, but you can control how much mail is kept offline.
Top of page Shared folders include Exchange Public Folders, Share Point folders, or another person's Exchange folders when you’re using Delegate Access.
For example, when you use a fast connection, Office Outlook 2007 copies the header, body, and attachments of an email item from the email server to your computer.