While in the folder click Edit from the top menu in Outlook, then Select All from the drop down menu (or the command and a keys on your keyboard at the same time).

To export everything under an account/folder heading you will need to go in to each folder and select all items in it:.

Mark the items you want to export with the category just created:.

that you'd like to export, and can remove the category when no longer needed. You will only want to use this for the mail, contacts etc.

Type in a unique name to describe the export, such as 'Archive Davidson College'.

Click the Categorize button in the top middle toolbar and select Edit Categories, then the + (plus) sign near the bottom center.

everything in your Outlook list), you will want to label the account items with a Category first:

If you are exporting to save an account that is being disabled (vs. Outlook on Mac will either export everything - all account/folder headings in your Outlook list, including any existing On My Computer folders - or items flagged with a Category. olm file can then be imported to Outlook to view, and, if desired, move the information to different set of folders, including any that are part of another email account (as long as the account is set up in Outlook and has enough available space). You can export an email account's messages, attachments, folders, contacts, calendar and appointments, tasks, and notes in Outlook as an '.olm' file as a way to save everything if the account is being disabled, or you simply want to 'archive' or store the data on a computer's hard drive instead of in the account space on the mail server.

Export office 365 contacts to mac pst