First, sign into NextCloud at https://cyberlinkserver.net/nextcloud

Next, click on your profile icon in the upper right hand corner of the display and select the Settings option

On the bottom of the screen, select the Request Data Export option.
If you have a valid email on file, you’ll receive an email with a link to download your data within 72 hours.
If for some reason you’re unable to access this page, or the option is missing, please submit a ticket here.