You can specify whether you'd like to use an American, British, Canadian, or Australian dialect to check your writing. In addition to the spelling differences between these dialects, Grammarly recognizes a number of differences in grammar and punctuation.
Please follow the steps below to choose a specific dialect in your preferred Grammarly product. Keep in mind that this setting should automatically synchronize across all Grammarly products that you use.
Open Grammarly’s desktop app on your device, click Account in the left-side panel, and go to Customize. Then, select your language preference.
To set up your language preferences in Grammarly’s browser extension, click the Grammarly icon in your browser's toolbar and select your preferred setting in the dropdown menu next to I write in:
In Microsoft Word or Outlook on your Windows computer, open the Grammarly tab and click Settings. Then, click Language Preference to change your dialect.
To change your language preference in Microsoft Word on your Mac, open any Word document and click Open Grammarly. Once the Grammarly sidebar appears, click the gear icon in the lower right corner and check the box next to the preferred option:
Open the Grammarly companion app and tap Keyboard Settings. Then, scroll down to the Language Preference section and choose your preferred dialect.
To manage your Language Preference, open the Grammarly app, and tap Account at the bottom of the screen. Then, press Language Preference to choose a dialect:

Open the Grammarly companion app and tap Grammarly Settings. Then, tap Language Preference and select your dialect.
To learn more about differences between dialects, please review this article.