Select Design a Form. from the Tools\Forms menu
In the Standard Forms Library Open the Message form. This will open a standard mail form.
Right-click on the Subject text input box and select Properties.
From the Properties dialogue box click on the Value tab. Edit the initial value and enter:
'Scrum ' & Date() You can then make any other changes you want to the form and test it with the Run this Form option.
If you are happy with the result you are ready to Publish. Select the Publish option and select Publish Form As.. and save it in your Personal Forms Library.
When you want to use it you can select it from File\New\Choose Form and open it from your 'Personal Forms Library' (there may be a quicker way to do this)