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Title Searchcommand Description
AND term1 AND term2 Both terms need to be present
OR term1 OR term2 One of terms need to be present
Exlude term1 -term2 term1 but not term2 need to be present
Wildcard term1 * term2 * will act as a wildcard and match any word or phrase
Grouping (term1 OR term2) AND term3 create search term hierarchies
Cache cache:google.com returns the most recent version of the webpage
filetype searchterm filetype:svg | filetype:pdf Searched for files with a given type
Site specific search site:apple.com Searches only on a give n website
Dictionary define:term Returns meaning of the word

Gmail

Attachements

size:5mb has:attachment
size:10mb has:attachment filename:pdf

Sizes

larger_than:5m smaller_than:8M

Not labeled

Reliable

-has:userlabels -in:sent -in:chat -in:draft -in:inbox

Less reliable

has:nouserlabels -in:sent -in:chat -in:draft -in:inbox

Impractical

-label:{label1 label2} -label:label-three -label:label-four -in:sent -in:chat -in:inbox