To delete your Strikingly account, email them at support@strikingly.com or chat with them here https://www.strikingly.com/s/live_chat. Send in your account email as well.
To delete your sites from Strikingly:
Login to your Strikingly account and go to “My Sites”
Click the gear icon inline with the site you want to remove, then select “Delete”.
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As a community-driven directory, we rely on members like you to help us evolve. Help us stay updated with the ever-changing account landscape by submitting an edit request.
Submit updates to existing records or suggest new accounts here. Our curators will review each contribution for accuracy, and we’ll add it to the main directory. Thank you for making the account deletion simple!