Apple released iOS 18.3 in January, and that update brought some bug fixes to all iPhones. But when Apple releasediOS 18in September, the company made it easy to keep your Notes app more organized with collapsible sections.There are other ways to keep Notes organized, like with tags, but those usually apply to the whole note and not the content with the note. With collapsible sections, you can keep the content within individual notes organized and tidy so you can easily find what you're looking for.Read more:iOS 18 Brings These New Features to Your iPhoneHere's how to create collapsible sections in Notes to keep the app organized.How to create collapsible sections Tap the gray arrows on the left side of the screen to collapse and expand sections. Apple/CNET Upgrade your inbox Get cnet insider From talking fridges to iPhones, our experts are here to help make the world a little less complicated. 1. Open Notes.2. Tap the new note button the square with a pen in the bottom right corner of your screen.3. Add a title to the note, like weeks of the month.4. Tap the Aa in the toolbar across the top of your keyboard. You might have to tap the plus (+) sign over the top right corner of your keyboard to open the toolbar.5. Tap Heading or Subheading to name your sections, like the days of the week.6. Fill out information under your headings and subheadings.7. Tap the space just in front of your headings or subheadings, and a down arrow will appear to the left of them.8. Tap that arrow and everything under the heading or subheading will collapse.It's important to note that headings won't collapse into each other, and same with subheadings and titles. But if you put a subheading under a heading, the subheading can collapse into the heading. And everything will collapse under a title if there's more than one title in a note.Now you can keep your Notes organized and tidy. I've used the feature to keep track of my work week, as well as meetings, that way I can easily look back on what I was working on earlier in the week or remind myself what I have upcoming in the week.For more on iOS 18, here's what you need to know aboutiOS 18.3.1andiOS 18.3. You can also check out ouriOS 18 cheat sheet. Watch this: Apple's Vision Pro Problem, Zoox Taxicab Confessions and more | Tech Therapy 28:24