With Microsoft Word, it's easy to create custom labels for envelopes or other purposes. Learn how to make and print custom labels in Word in this video tutorial from Microsoft.
1. Go to Mailings, Labels.
2. Select Options and choose a label vendor and product to use. Select OK.
If you don’t see your product number, select New Label and configure a custom label.
3. Type an address or other information in the Address box (text only).
To use an address from your contacts list select Insert Address
4. To change the formatting, select the text, right-click, and make changes with Font or Paragraph.
5. Select OK.
6. Select Full page of the same label.
7. Select Print, or New Document to edit, save and print later.
Learn more: https://support.microsoft.com/en-us/office/create-and-print-labels-82086c07-2afa-4982-9d7d-9c9141d5035b