In case that we want to disable the default Office 365 “90-day days password rotation policy,” meaning let Office 365 users to keep their password forever, we can use the Office 365 admin center for changing the default password policy settings.

How to Set the Office 365 user password policy to never expire

• Login to Office 365 admin portal
• Select the menu – Settings
• Select the menu – Security & Privacy

In the following screenshot, we can see that the default value of the Office 365 user password policy is 90 days. The meaning is that by default, Office 365 users will need to change their password every 90 days.

• In the Password Policy section, click on the Edit button

In the following screenshot, we can see that the default setting for – Set user passwords to never expire is Off.

In our scenario, we would like to cancel the need for using a new password every 90 days.

• Click on the Off button

In the following screenshot, we can see that the option described as – Set user passwords to never expire was set to “On”

• Click – Save

In the following screenshot, we can see that the new setting was successfully applied

• Click – Close

In the following screenshot, we can see that the now the password policy settings are-
Days before passwords expire = Never