1. Go to Gmail.
  2. In the search box, type the search operator.

Search operators you can use

Tip: Once you do a search using search operators, you can use the results to set up a filter for these messages.

What you can search bySearch operator & example
Specify the sender from: Example: from:amy
Specify a recipient to: Example: to:david
Words in the subject line subject: Example: subject:dinner
Messages that match multiple terms OR or { } Example: from:amy OR from:david Example: {from:amy from:david}
Remove messages from your results - Example: dinner -movie
Find messages with words near each other. Use the number to say how many words apart the words can be  Add quotes to find messages in which the word you put first stays first. AROUND Example: dinner AROUND 5 friday Example: "secret AROUND 25 birthday"
Messages that have a certain label label: Example: label:friends
Messages that have an attachment has:attachment Example: has:attachment
Messages that have a Google Drive, Docs, Sheets, or Slides attachment or link has:drive has:document has:spreadsheet has:presentation Example: has:drive 
Messages that have a YouTube video has:youtube Example: has:youtube
Messages from a mailing list list: Example: list:info@example.com
Attachments with a certain name or file type filename: Example: filename:pdf Example: filename:homework.txt
Search for an exact word or phrase " " Example: "dinner and movie tonight"
Group multiple search terms together ( ) Example: subject:(dinner movie)
Messages in any folder, including Spam and Trash in:anywhere Example: in:anywhere movie
Search for messages that are marked as important is:important label:important Example: is:important   
Starred, snoozed, unread, or read messages is:starred is:snoozed is:unread is:read Example: is:read is:starred
Messages that include an icon of a certain color has:yellow-star has:blue-info Example: has:purple-star
Recipients in the cc or bcc field cc: bcc: Example: cc:david Note: You can’t find messages that you received on bcc.
Search for messages sent during a certain time period after: before: older: newer: Example: after:2004/04/16 Example: before:2004/04/18
Search for messages older or newer than a time period using d (day), m (month), and y (year) older_than: newer_than: Example: newer_than:2d
Chat messages is:chat Example: is:chat movie
Search by email for delivered messages deliveredto: Example: deliveredto:username@gmail.com
Messages in a certain category category: Example: category:updates
Messages larger than a certain size in bytes size: Example: size:1000000
Messages larger or smaller than a certain size in bytes larger: smaller: Example: larger:10M
Results that match a word exactly + Example: +unicorn
Messages with a certain message-id header Rfc822msgid: Example: rfc822msgid:200503292@example.com 
Messages that have or don’t have a label has:userlabels has:nouserlabels Example: has:nouserlabels  Note: Labels are only added to a message, and not an entire conversation.

Note: When using numbers as part of your query, a space or a dash (-) will separate a number while a dot (.) will be a decimal. For example, 01.2047-100 is considered 2 numbers: 01.2047 and 100.

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