Any size limit for receiving / sending emails in Office 365?
The size of a single email that you send / receive must be within 25MB, with all the attachment & message content counted.
How to change the language & time zone of my mailbox?
Go to Office 365 > Mail > Gear icon on the right top > on the right, Mail under Your app settings > on the left column, Region and time zone under General
I just update my email address, user profile or other contact information. Where can I see them?
Your email address and user profile can be viewed by all staff through
- Office 365 (Updates will be effective in 30 minutes)
Go to Office 365 > Delve
- Global Address List (Updates will be effective in 24 hours)
i. Go to Office 365 > People; OR
ii. Go to Outlook on your PC > New Email > Address Book
More FAQ can be found in here