from : – find emails from a specific sender to : – find emails sent to a specific recipient subject : – search for words in subject lines label : – search for messages by label has:attachment – display only messages with attachments filename : – search for attachments by name or filetype in:anywhere – search anywhere included spam and trash folders which are by default excluded from the search results. is:starred, is:unread, is:read – search for messages that are starred, unread or read cc :, bcc : – search for recipients listed in cc or bcc fields after :, before :, older :, newer : – search for messages in a specific period of time using the format yyyy/mm/dd is:chat – search for chat messages size : search for messages larger than a specified size larger :, smaller : – like size, but may use size abbreviations, e.g. 1MB for 1 million bytes. rfc822msgid : – find messages by message header id