Instagram's 'Post quietly to profile' option allows users to post content that will be visible on their profile but not shared in the feed with their followers. This feature is useful for those who want to express themselves or keep a digital journal without worrying about engagement.

To use Instagram's 'Post quietly to profile' feature, toggle on the option when creating a post. This will make the post visible on your profile but not shared in the feed with your followers. It's useful for sharing posts without worrying about engagement, posting multiple photos without spamming feeds, and creating an aesthetically pleasing profile grid.

Instagram's 'Post quietly to profile' feature is useful for several reasons:

1. Sharing posts without worrying about engagement: Users can post content without the pressure of getting likes or comments.
2. Posting multiple photos without spamming feeds: Ideal for events like vacations or weddings where users want to share many photos.
3. Creating an aesthetically pleasing profile grid: Users can focus on curating their profile without affecting their followers' feeds.