Hi, I am a Microsoft user just like yourself and I will try my best to help you as much as I can today.
Open Microsoft Word 365 on your computer.
Open a New or Existing Document.
Go to the DropCap Settings:
Go to the Insert tab.
Click on Drop Cap in the Text group.
Select Drop Cap Options from the dropdown.
Set Default DropCap Value:
In the Drop Cap dialog box, set the desired options for the DropCap (position, font, number of lines).
Click OK to apply the changes.
Save as Default:
If Word prompts you to save this setting as the default, click Yes.
Another way:
Open Word 365:
Open Microsoft Word 365 on your computer.
Open a New or Existing Document.
Go to the Home Tab:
Click on the Home tab in the ribbon.
Create a New Style:
Click on the Styles group dialog launcher (a small arrow in the bottom right corner of the Styles group).
In the Styles pane, click on New Style.
Name the new style.
Click on Format at the bottom left of the New Style dialog box.
Choose Drop Cap from the dropdown list.
Set the desired DropCap options.
Click OK to close each dialog box.
Apply the Style:
Select the text to which you want to apply the DropCap style.
Go to the Home tab.
In the Styles group, click on the style you just created to apply it.
If you want to change the existing style to include DropCap settings:
Modify the Style:
Go to the Home tab.
In the Styles group, right-click on the style you want to modify.
Choose Modify.
Click on Format and choose Drop Cap.
Set the desired DropCap options.
Click OK to close each dialog box.
See if that helps! Please let us know if you have any questions. Microsoft Support is available for further assistance if the issue continues.
Best regards
Deeksha