Migrating Your Calendar from WebMail to Office 365

Read this article to learn how to migrate your calendars from WebMail to Office 365.

Exporting Your Calendar

  • Log in to your WebMail account.
    Please note: If you have assigned a different domain name to your Mail Basic or Mail Business mailboxes according to the instructions in the Migrating Mailboxes from 1&1 IONOS to Office 365 article, you must use the appropriate changed email address to log in. This contains the newly created subdomain. For example, you would log in with account@backup.ionoshelp.com instead of account@ionoshelp.com.
  • Click Calendar.
  • Click on the menu icon next to the desired calendar.
  • Click Export to export a file in iCalendar format. Save the file to your computer.

Importing an ICS File into Microsoft Outlook Using the Import/Export Wizard

  • Open Microsoft Outlook.
  • Click File > Open and Export > Import/Export.
  • In the Import/Export Wizard, select Import iCalendar (.ics) or vCalendar file (.vcs). Then click Next.
  • Select the file you exported in iCalendar format (ICS) and click OK.
  • Click Import.

The calendar will be imported.