Forgotten Apple ID - what to do?

If you have forgotten your Apple Account ID, your options such as using the App Store are restricted.

Forgotten Apple Account: How to find your ID

It may happen that you no longer remember your Apple Account ID. Luckily there is several optionsto get this information:

If you are using an iPhone or iPad and are already logged in, go to Settings and tap your name. Over Registration & Security Find your phone numbers and email addresses that work as your Apple Account ID.
This is also possible on the Mac or MacBook. You will find the same option within the System settings.
Even on Windows, it is possible to find out your Apple Account ID as long as you go to your iCloudlogged in are. Click on your name to find your ID.
It is also possible to use your Apple Account ID via the News appthe App Store or FaceTime to check. Of course, this is only possible if you are still logged in.
Alternatively, you can use your saved ones Password and login details Check your browser. There you look for sites like Apple Account. The saved email address is your ID.
Notice: If you have your Amazon Account ID back, we recommend changing your password. This will ensure that no one else has access to your ID.

It is also possible to use Apple Family Sharing to access your Apple Account ID find:

To do this, contact one of your family members who uses Family Sharing with you. In Family Sharing, go to the Settings.
Within the settings you will find all family members who belong to the Release group belong. Search for your account.
You will find them there Apple account information. Check this to log in again.