Yahoo users who have received deactivation emails like the one below, which claim that their accounts need to be updated or else they will be deactivated, should delete the emails and should not follow the instructions in them. This is because the fake emails are phishing scams sent by cybercriminals and NOT by Yahoo, to trick Yahoo users into clicking on the link in the fake and malicious email message that goes to a phishing website that steals Yahoo email account username and password.
A "Yahoo Account De-Activation In Progress" Scam
From: YAHOO email@example.com firstname.lastname@example.org <email@example.com>
To: firstname.lastname@example.org <email@example.com>
Sent: Saturday, January 4, 2020, 05:52:01 AM PST
Subject: 🔓🚩 ACCOUNT DE-ACTIVATION IN PROGRESS
Expand Your yahoo!mail
You received this email because your account needs to be updated.
Please update your account for a more secured mailbox.
In accordance with yahoo terms and conditions, users that do not comply with this
Update will have their accounts deactivated.
Click on the link below to update your account now and enjoy a more featured mailbox.
Thank you for using our services.
Yahoo respects your privacy. Please read our online Privacy Statement.
Yahoo Corporation. One Yahoo Way, Redmond, WA 98052
Yahoo users who have already received the phishing email messages, and who have followed the instructions in them, are asked to change their Yahoo account passwords immediately before their accounts are hijacked by cybercriminals and used fraudulently.