This guide shows you how to set global instructions that apply to all of your Cowork sessions. Providing consistent context, preferences, or conventions helps Claude deliver more tailored and efficient assistance. You will need access to your account to complete these steps.
Click your profile icon at the bottom-left corner of the screen.
Select Settings from the pop-up menu.
From the settings navigation menu on the left, click Cowork.

Under the Instructions section, click the Edit button.
Enter your preferences, conventions, or any context you want Claude to always know in the provided text field.
Click Save to apply your global instructions to all future Cowork sessions.
This article explains how to configure global instructions for your Cowork sessions. By setting these instructions, you ensure Claude consistently applies your specified preferences and context across all collaborative tasks, which improves the efficiency and relevance of its assistance.