Click the cell where you want the bullet point
Press Alt+7 on the numeric keypad
Press Alt+0149 on the numeric keypad
Go to Insert > Symbol, then choose a bullet character
Copy and paste a bullet from another document
Use a formula like =CHAR(149)&” text”
Press Alt+Enter to add a new line in the same cell
Repeat the bullet character for multiple lines
Use a custom number format with a bullet symbol
Use the Bullets option in Word, then paste into Excel