iCloud: Notes overview
You can read, write, and edit notes by using the Notes app on iCloud.com from a Mac or Windows web browser. When you make changes using Notes on iCloud.com, they appear automatically in the Notes app on your iOS devices and Mac computers where you set up iCloud for Notes, and vice versa. You can also view your up-to-date iCloud notes in Microsoft Outlook on your Windows computer set up for iCloud Notes.
Notes on iCloud.com
Two versions of the Notes app are available on iCloud.com. The one you see is determined automatically when you sign in to iCloud.com.
You see the updated Notes beta app if you upgraded your iCloud Notes account on an iOS device with iOS 9 beta or a Mac with OS X v10.11 beta. Otherwise, you see the original Notes app on iCloud.com.
You can tell which version you have by looking at the Notes toolbar.
In the toolbar of the updated version, you see the Checklist button and the Format button . For more information, see Write notes.
The notes in your iCloud account are also separate from the notes in other accounts you may have, such as a Yahoo! or Google account. iCloud only keeps the notes in your iCloud account up to date.
Use iCloud Notes from a web browser
If you’re using another iCloud app, you can switch to Notes by clicking the app’s name at the top of the iCloud.com window.
When working with iCloud Notes, make sure you use a browser recommended in the Apple Support article System requirements for iCloud.
If you don’t see Notes on iCloud.com, your account just has access to iCloud web-only features. To gain access to iCloud Notes and other iCloud features, set up iCloud on your iOS device or Mac.
If you try to use Notes on iCloud.com, but get a message that says an iCloud email is needed, your iCloud account isn’t set up with a free @icloud.com email account. iCloud uses the email account to store notes for the original Notes app on iCloud.com and devices using iOS 8.3 or earlier, OS X v10.10.3 or earlier, or Windows. If you don’t have an @icloud.com email address, you can create one by turning on Notes in iCloud preferences on your Mac or in iCloud settings on your iOS device.
If you upgrade iCloud Notes using iOS 9 beta or OS X v10.11 beta, your notes on those devices and on iCloud.com aren’t stored in your @icloud.com email account.