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In New Yahoo Mail on desktop, select a message, open the selection menu, choose the unread-message option, then click Delete. Yahoo selects up to 100 messages by default; if more are available, use the notice to select all messages in the inbox before deleting.
Delete unread emails in New Yahoo Mail on desktop
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Open your inbox and select the checkbox beside a message.
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Open the selection menu at the upper left of the message list.
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Choose the option for unread messages.
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Click Delete.
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If Yahoo selects only the first 100 messages, look for the notice offering to select all messages in the inbox. Choose it, then click Delete.
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Yahoo’s New Mail desktop instructions describe 100 messages as the default select-all batch size. New Yahoo Mail may not yet be available for every account or region. Yahoo Help: Select email messages in New Yahoo Mail.
Use the unread filter if you need to review messages first
New Yahoo Mail also offers an Unread filter in its sorting controls. You can use it to view unread messages before selecting and deleting them. Some sorting options are unavailable while Conversation mode is enabled. Yahoo Help: Sort email in New Yahoo Mail.
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If you have classic Yahoo Mail on desktop
In the classic desktop interface, select the displayed messages and delete them. Yahoo says Select All selects 50 messages by default; to select more, scroll down and select again. The folder-level Empty command is not available for the Inbox or system folders. Yahoo Help: Delete emails in Yahoo Mail.
What happens to deleted messages
Messages deleted from folders other than Spam move to Trash. Deleting messages and emptying Trash are separate actions.
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Permanently clear Trash in New Yahoo Mail desktop
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Open the Trash folder.
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Select the messages you want to remove, then click Delete.
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Confirm the deletion. If Trash contains more than 100 messages, Yahoo says a notice offers an option to select all messages in Trash.
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Yahoo Help: Delete emails in New Yahoo Mail.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why the mobile app steps may differ
Yahoo’s app help describes deleting multiple emails from a sender and states a limit of 10,000 emails per action. That is a separate app workflow, not the desktop procedure for selecting all unread messages. Yahoo Help: Delete emails in Yahoo Mail.
Yahoo’s listed app search filters include Unread for iOS. The Android filters listed on that help page do not include Unread, so the same filter controls are not established for both platforms. Yahoo Help: Search for emails in the Yahoo Mail app.
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