Export your Outlook for Mac email messages, contacts, calendar items, tasks, and notes to a .olm file and note the location where you save that file. If moving from one Mac to another, transfer the .olm file to the new one (see the Apple web site for instructions).

Manually archive email messages, contacts, and other items to an Outlook for Mac Data File (.olm) to easily reduce your inbox size. You can save an .olm file to any location on your Mac or on a different machine for safekeeping.

For easy online access, you can simply drag and drop messages from your primary mailbox into your archive. To reduce the size and improve the performance of your primary mailbox, you can set Archive Policies that automatically move email items from your primary mailbox to your archive mailbox.

Outlook Data Files (.ost) are used when you have an Exchange account and want to work offline or use or use the default Cached Exchange Mode. This type of data file is also used for accounts that you set up with the Outlook Connector for Outlook.com (formerly Hotmail).

Import to Outlook app Import email messages, contacts, and other items into Outlook for Mac Import a .pst file into Outlook for Mac from Outlook for Windows

In Windows 10, some features of file and folder sharing over a network have changed, including the removal of HomeGroup. Read on for answers to common questions about other changes to file and folder sharing in Windows 10.

To use it, you'll need an external storage system, such as an external hard drive. Turn Time Machine on to automatically make routine copies of the files on your computer.

Although you can move individual messages from Outlook for Mac to your archive mailbox one by one (you can't move or copy multiple items at once), the more efficient way to make sure your messages get archived is to use Outlook Web App archive and retention policies.

To share a file in File Explorer on Windows 11, select the file, then select Share on the ribbon. You can also right-click (or press and hold) on the file > Share in File Explorer or the Start menu. Then, choose how you want to send the file and follow the process for that option.

With a Microsoft Exchange account, all Outlook items are stored on the Exchange server and synchronized with Outlook at regular intervals. This allows you to access the items from another computer and to retrieve server-based copies of your items if your hard disk is damaged.