Specifies text that the message must contain. For example, content:bananas finds all items containing the word "bananas".

from:

Specifies a sender name or email address that is in the From header. This can be text, as in "John Smith III", an email address such as " joe@acme.com", or a domain such as " zimbra.com".

to:

Same as from: except that it specifies one of the people to whom the email was addressed in the To: header.

cc:

Same as from: except that it specifies a recipient in the Cc: header of the message.

subject:

Specifies text that must appear in the subject header of the message. An example might be subject:new vacation policy.

in:

Specifies a folder. For example, in:sent shows all items in your Sent folder.

has:

Specifies an attribute that the message must have. The types of object you can specify are "attachment", "phone", or " url". For example, has:attachment  finds all messages which contain one or more attachments of any type.

filename:

Specifies an attachment file name. For example, filename: query.txt finds messages with a file attachment named "query.txt".

type:

Specifies a search within attachments of a specified type. The types of attachment you can specify are "text", "word", "excel", and " pdf". For example, type:word hello finds messages with attachments that are Microsoft Word documents and searches within those attachments for the word "hello".

attachment:

Specifies any item with a certain type of attachment. For example, attachment:word finds all messages with a Word file attachment.

Note:   If you did not find an attachment that was written in a non-western language, see Search Issues with Non-Western Language Attachments.

is:

Searches for messages with a certain status. Allowable values are "unread", "read", "flagged", " unflagged", "sent", "draft", "received", "replied", " unreplied", "forwarded", unforwarded", "anywhere", "remote" (in a shared folder), "local", "sent", and "solo"

 For example,

 is: unread finds all unread messages.

is:solo finds email messages that do not have a reply to them yet.

The Status drop-down menu in the advanced filters includes these options.

IS INCLUDE SHARED OPTION FROM the SEARCH DROPDOWN THE SAME AS IS:REMOTE?

date:

Use this keyword to specify a date You can use an absolute date (mm/dd/yyyy or yyyy/dd/mm) or a relative date (+/- nnnn [hour, day, week, month, year]). Use the format that is default on your browser's locale. For example, US English format date:2/1/2012 finds messages dated February 1, 2012.

The greater than symbol (date:>DATE) is the same as after:DATE. The less than symbol (date:>DATE) is the same as the before:Date.

after:

Specifies mail sent after a certain date. For example, after:2/1/2010 specify mail sent after February 1, 2010.

before:

Same as after: except specifies mail sent before the specified date.

size:

Specifies messages whose total size, including attachments, is a specified number of bytes, kilobytes, or megabytes  For example, size:12 kb finds messages that are exactly 12K in size. The greater than (>) or less than (<) symbols can be used instead of bigger or smaller.

larger:

Similar to size: except specifies greater than the specified size.

smaller:

Similar to size: except specifies smaller than the specified size.

tag:

Finds messages which have been tagged with a specified tag. For example, tag:amber finds message that have a tag called "amber" applied.