Open an internet browser and go to https://outlook.office365.com

Enter your work email address then select Next

Enter your work password then select Sign in

Approve the sign in request via your chosen method

Select the calendar icon in the bottom left corner

Select Share in the top right corner

Enter your personal email (needs to be signed in on your Phone) then select the email address from the dropdown

Select Share

Go to your email account and open the shared calendar invite email

Right-click this URL and select Copy link address

Note: Do not use the Add this calendar button - this URL is located in the small text underneath

Go to https://calendar.google.com

Enter your Google email address then select Next

Enter your Google email password then select Next

Select the + symbol next to Other calendars in the bottom left corner

Select From URL

 Right click in the URL of calendar field and select Paste

 Select Add calendar

 Open the Calendar app

Select the 3 lines in the top left corner

Check the box for Calendar to show your Outlook calendar

Note: This may take a couple of minutes to show