Outlook

https://www.howto-outlook.com/faq/outlookdoesntstart.htm#safe_mode

Outlook is Not Recognized as the Default Email Client

https://www.slipstick.com/outlook/outlook-not-recognized-default-email-client/

Exchange 365 Admin

https://outlook.office365.com/ecp/

Exchange WebMail

https://outlook.office365.com/

https://outlook.office.com/mail/inbox

Connect to https://aka.ms/MFASetup

Or login to https://www.office.com

Server Settings for Microsoft 365 for business

• Use outlook.office365.com for incoming server settings.
• Use smtp.office365.com for outgoing SMTP server settings.
• Incoming Port 993 for IMAP or 995 for POP.
• Outgoing Port Number 587.

Inbox Rules of a User

First we need to connect to our tenant. Run the commands below to open a PowerShell session to your Microsoft cloud.

1. Connect to Exchange Online

Connect-ExchangeOnline -UserPrincipalName user@domain.com

2. List Inbox Rules from all users

We are now ready to get a list of all rules created by the user. Run the command below to get them all.

Get-Mailbox -ResultSize Unlimited | 

Select-Object -ExpandProperty UserPrincipalName | 

Foreach-Object {Get-InboxRule -Mailbox $_ | 

Select-Object -Property MailboxOwnerID,Name,Enabled,From,Description,RedirectTo,ForwardTo}