Search basics
https://support.office.com/en-US/Article/Learn-to-narrow-your-search-criteria-for-better-searches-in-Outlook-d824d1e9-a255-4c8a-8553-276fb895a8da?ui=en-US&rs=en-US&ad=US

----- Mail -----
bobby                     Items containing bobby, BOBBY, BoBby, etc
bobby moore               both bobby and moore any order
bobby AND moore           ditto
bobby NOT moore           bobby but not moore
bobby OR moore            either or both
(...)                     grouping of logic
"bobby moore"             exact phrase (case sensitive???)
from:"bobby moore"        sent from this phrase
to:bobby                  on to: line
cc:"bobby moore"          cc'ed to this phrase
cc:bobbymoore@contoso.com email address on cc: line
bcc:bobby                 bobby on bcc line (sent mail only)
subject:"bobby moore"     phrase in subject
subject:bobby moore       booby in subject, moore anywhere else
about:"status report"     phrase in subject body or attachments
hasattachment:yes
attachments:presentation.pptx     filename or in attachement contents

category:red              catagory containing the string "red"  eg redundant
category:business         catagorized as business

messagesize:<10 KB
messagesize:>5 MB
messagesize:tiny          less than 10Kb
messagesize:small         between 10 and 25 Kb
messagesize:medium        between 25 and 100 Kb
messagesize:large         between 100 and 500 Kb
messagesize:verylarge     between 500 Kb and 1Mb
messagesize:enormous      larger 5Mb

sent: yesterday           Can use  today,tommorrow,yesterday,
                           this week, next month, last week, past month,
                           coming year, Sunday...Saturday, January...December

received:last week        recieved sometime last week
received:=1/1/2016        recieved on this date
received:>=10/1/16 AND received:<=10/5/16
                          between these dates
recieved:May              recieved in May of any year

read:no                   has been read

followupflag:follow up    flagged for followup ????
hasflag:true              ditto

----- Calandar -----
startdate:next week  subject:status
                          calandar item on status and is new week

is:recurring              recuring calandar entry
organizer:bobby           calandar organizer is bobby

----- Contacts -----
firstname:bobby
lastname:moore
nickname:bobby
jobtitle:physician
businessphone:555-0100
homephone:555-0100
mobilephone:555-0100
businessfax:555-0100
businessaddress:(4567 Main St., Buffalo, NY 98052)
homeaddress:(4567 Main St., Buffalo, NY 98052)
businesscity:buffalo
businesspostalcode:98052
street:(4567 Main St)
homestreet:(4567 Main St)
birthday:6/4/1960
webpage:www.contoso.com