What you can search by

Search 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

AROUND

Example: dinner AROUND 5 friday

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 has:document

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, unread, or read messages

is:starred

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

Messages delivered to a certain email address

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.