While a bit different than in Word, accents using a Mac are as follows: The main key to use is the Option Key. You would use Upper case or Lower case as required.

Accent Aigu: (É)

Option key + letter e at the same time. Release all the keys you held down. Now click the e again.

Accent Grave: (À, È, Ù)

Option key + ` (found in the top left of your keyboard, on the key with the tilde). Followed by a, e, or u.

Circumflex: (Â, Ê, Î, Ô, Û)

Option key + letter i. Followed by a, e, i, o, or u.

Cedilla: (Ç)

Option key + letter c. No additional letter needs to follow.

Trema: (Ë, Ï, Ü)

Option key + letter u. Followed by e, i, or u.

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