Step 1: Click on the Matters tab.

Step 2: Click on the funnel icon, then on "Inactive" to get a list of your closed matters.

Step 3: Click on the number of the matter you want to reopen.

Step 4: Once in the matter, click on the "Functions" tab.

Step 5: Click on the "Reopen matter" tile.

Step 6: Delete the closing date.

Step 7: Save your changes using the green check mark.