Change email address for Calendar on iPhone

This process is valid for all mails, AOL, Google, Yahoo, Outlook, Hotmail, Exchange etc etc

1. Keep your email id and password handy
2. Use this link to find out your Incoming and Outgoing server settings by entering your email address

Mail - Official Apple Support

If it is not available in the link above contact your email client

The GIF is self explanatory.

iCloud Account IMAP and SMTP

Please check your email account to confirm that two-step verification is enabled and that the application generation process is app-specific. If so, follow the instructions provided.

• You may have enabled two-step verification on Google --> Sign in with App Passwords - Google Account Help
• You may have enabled Authenticator for Yahoo --> Generate and manage third-party app passwords | Yahoo Help
• You may have enabled 2-step verification for Outlook --> Manage app passwords for two-step verification
• You may have to activate 2-step verification for Aol --> Create and manage third-party app passwords - AOL Help
• You may have turned on two-step verification for Office or set up the Authenticator app, you may run into issues if you use apps or older devices (like Windows Phone 8, Xbox 360, or Apple iPhone, Mac) that don't support two-step verification.--> Using app passwords with apps that don't support two-step ...

An app-specific password is a unique password generated by a service provider, such as Apple or Google, that allows you to grant access to a specific application or service without using your main account password. It is typically used when you want to use a third-party app or service that requires access to your account but doesn't support the usual authentication methods, like two-factor authentication.

Here's how an app-specific password differs from your email password:

1. Purpose: Your email password is used to access your email account directly through email clients or webmail interfaces. It allows you to read, send, and manage your emails. On the other hand, an app-specific password is used to grant access to a specific app or service that requires access to your account, but doesn't support standard authentication methods.
2. Security: App-specific passwords are designed to enhance security by limiting access to specific applications or services. They are generated for individual apps or services, and if compromised, they can be revoked without affecting your main account password. In contrast, your email password is the primary key to access your email account, and if it's compromised, an attacker could gain unauthorized access to your emails and potentially other account-related information.
3. Management: App-specific passwords are typically managed separately from your main account password. Service providers like Apple or Google allow you to generate, view, and manage app-specific passwords through their account management interfaces. These passwords can be created, revoked, or regenerated as needed. Your email password, on the other hand, is managed directly through your email service's account settings.
4. Limitations: App-specific passwords have limitations to ensure security. They are usually one-time-use passwords, meaning that once you enter them in an app or service, you may not need to remember them or enter them again. Some service providers also impose restrictions on the number of app-specific passwords you can generate or the duration of their validity. Email passwords, on the other hand, remain consistent until you decide to change them.

It's important to note that not all service providers offer app-specific passwords, and their availability and implementation may vary across different platforms and applications. If you need to grant access to a third-party app or service and are unsure about the authentication requirements, it's recommended to check the documentation or support resources provided by the service provider for specific instructions.

Go to Settings/Apps/Calendar/Calendar Accounts.

Turn off Calendar on the work email, and turn it on for your gmail account.

1. Is this your corporate/organisation/enterprise/School Management iPhone? Then please contact the system administrator of your corporate//organisation/enterprise/School Management
2. If it is your device, in that case, do you have any profile installed by your corporate/organisation/enterprise/School Management?
   1. Erase the profile added by you If you have installed a profile on your own --> Install or remove configuration profiles on iPhone - Apple ...
   2. Or please contact the system administrator of the organisation who provided the profile to you

A corporate profile installed on your iPhone could potentially be contributing to the inaccessibility of certain features. 

Here's why:

• Restrictions: Corporate profiles can have restrictions placed on apps and functionalities. These restrictions might be limiting some activity, causing it to be unresponsive or quit.
• Managed Apps: IT departments might deploy specific navigation apps through the profile, potentially blocking certain functions or features.
• Security Settings: Corporate profiles often have stricter security settings that could affect app or function behavior. This might be causing unexpected behavior of an App or functions.

Here's what you can do:

• Check with IT: The best course of action is to contact your IT department. They can explain the restrictions set by the corporate profile and see what is affected. They might be able to adjust settings or suggest alternative apps or features approved for corporate use.
• Look for App Conflicts: See if your IT department uses a different app through the corporate profile. Conflicting apps might cause crashes.

Additional points to consider:

• Even if the profile isn't directly affecting the function, it's still a good idea to check with IT. They might be aware of similar issues and have workarounds.
• While troubleshooting, make sure you prioritize safety. Don't fiddle with your phone. 

By working with IT and considering these possibilities, you can hopefully identify if the corporate profile is the culprit and find a solution that allows you to use the iPhone to your liking.

How to add Gmail on iPhone and make it default Watch the GIF