In Outlook go to “Start” tab on “New Items” – “More Items”

there to “contact group” and add a new contact group to your address book.

Next, give your new contact group a name (for example, family, friends, colleagues, etc.)

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You can now add your contacts from your existing Outlook contacts to your distribution list or create new contacts.

If you should miss some entries in your address book, check if several address books have been created, and then select the missing entries by double-clicking on them.

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After you have successfully created your distribution list, you will now find it as additional entries in your address book.

Of course, the contacts contained in the group will continue to be displayed as individual entries so that you can always select them specifically as e-mail recipients.

To send an e-mail to one of your distribution lists, simply click on “New E-mail” as usual and double-click on your contact group in the address book.

To check the distribution list again before sending it for security, you can double-click it when selecting it directly in the address book, and if necessary add or remove other members to the list.

See picture: (click to enlarge)