Outlook Rules Run Twice After Migration: Fix

After migrating your Outlook mailbox to a new server, Exchange environment, or Microsoft 365 tenant, you may notice that your inbox rules execute twice for every incoming message. Each rule applies its action — moving, copying, flagging, or forwarding a message — two times instead of once. This duplication typically occurs because two rule collections … Read more

New Outlook Rules Do Not Run on Existing Emails: Fix

You created a new rule in Outlook to organize your inbox, but existing emails remain untouched. By default, Outlook rules apply only to new incoming messages unless you manually run the rule against your current mailbox. This article explains why rules do not process existing messages automatically and provides the exact steps to apply a … Read more