Hello Ievgen,
Thanks for reaching out to us
Unfortunately we and WordPress don’t have such option. If you exit the page it means your page was saved and after that you can’t go back and restore the previous design.
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Sincerely,
Ahmad.
Nicepage Support Team
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Depending on your webhosting company, you may be able to access recent backups of your WordPress installation and have that restored. If you've been making changes directly on the website (using the Nicepage WordPress plugin) and not making the changes using the Nicepage Desktop app that could turn out to be problematic in the long term. When I use Nicepage to create/edit WordPress themes, I make sure I either have multiple ongoing backups of all versions, or I keep backups of the desktop computer that is used for Nicepage development, so that I can restore my Nicepage projects to whatever version/date I choose.
But fatigue was the first thing, there were also changes and the question of what to lose. It's a pity that I had to redo the page, even rejecting to another version of the page in WordPress did not help