Mimecast for Outlook: Search Criteria

Document created by user.oxriBaJeN4 Employee on Sep 3, 2015Last modified by user.oxriBaJeN4 Employee on Apr 2, 2019
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This article describes the search criteria that can be used by end users to refine archive searches in Mimecast applications.


Applies to:


  • End users of Mimecast applications.
  • Where archiving is enabled as an account package.


Smart Search


The following criteria can be used when using the Smart Search functionality:

  • Text
  • Text parameters
  • Filters




When entering text, consider the following:

  • The specified text can be anywhere inside a message, including attachments (e.g message header, message body, message subject, file name, attachment content).
  • Spaces between words automatically invoke the AND parameter. See the "Text Parameters" section below for further details.
  • Common words (see below) are not indexed by Mimecast, including if they form part of a phrase. Therefore they are ignored when the search query is performed.
    The common words are "a", "an", "and", "are", "as", "at", "be", "but", "by", "for", "if", "in", "into", "is", "it", "no", "not", "of", "on", "or", "such", "that", "the", "their", "then", "there", "these", "they", "this", "to", "was", "will", and "with".
  • Searching for a .TXT or .HTM attachment type may return more messages than expected. This is because all messages have a 'body.txt' and/or 'body.htm' part.


Text Parameters


The following parameters can be used in the text field:

ParameterDescriptionSearch ExampleSearch Result
ANDSpaces between words automatically invoke the AND parameter. This ensures that all words must be present in messages to be returned in the results.

red green

red AND green

Messages containing both "red" and "green".
ORReturns messages that contain one words of the in the search criteria.red OR greenMessages containing "red" or "green".
WildcardsWildcards are supported in the search term. 
Archive searches can only start with valid search text. Wildcards or other search parameters (e.g. '!') used as the first character in the search string causes the search to fail. Wildcards placed in the middle of a search string are not supported.
red*Messages containing words that start with "red" (e.g. "redemption", "redacted").
-Excludes a term.red -greenMessages containing "red" but not "green".
PhraseSearch for a phrase by placing multiple search term between quotation marks."dark red"Messages containing the phrase "dark red".
Search FiltersOne or more search filter can be used to assist you with enhancing your search results.See the "Filters" section below for full details.See the "Filters" section below for full details.
You can use Boolean searches to perform complex searches. For example say you want to find messages sent from user A to user B, but also to either user C or user D. The search is "(from: a@xxx.com) (to: b@xxx.com AND (c@xxx.com OR d@xxx.com))"



Filters can be used in the "Text" field to assist you with enhancing your search results. The following search filters are available:


Search Filter
DescriptionSearch ExampleSearch Result
subject:Searches the message's subject line.subject: "draft contract"Messages containing the phrase "draft contract" in the Subject.
headers:Searches the message's header.header: "contract"Messages containing the word "contract" in the Header.
body:Searches the message's body.body: "contract"Messages containing the word "contract" in the Body.
to:Searches messages sent to a particular person, address, or domain.to: a@domain.comMessages sent to a@domain.com.
from:Searches messages sent from a particular personaddress, or domain.from: domain.comMessages received from the domain.com domain.
with:Searches messages containing a particular person, address, or domain.with: John SmithMessages sent to or received from "John Smith".
doc:Searches attachment file names, attachment content, and attachment type.doc: "draft contract"
doc: PDF
Messages that contain an attachment containing the phrase "draft contract" in the file name, attachment content, or file type.
Multiple FiltersMultiple filters can be separated by a space.subject: contract to: a@domain.comMessages containing the word "contract" in the Subject, and sent to a@domain.com.


Advanced Search

This method of searching is only available in Mimecast for Outlook v7.3 and before.

The following search criteria is currently only available in the Advanced Search function:

  • Date
  • Files




By default, a search spans all items during the last year. You can shorten or widen the time frame, or select to search through a specific date range. The available time frames are:

  • Today
  • Yesterday
  • 1 Week
  • 1 Month
  • 1 Year
  • 5 Years
  • All Time
  • Between




You can use the "doc:" filter in the smart search to find specific file attachments, and attachment content. However the advanced search can be used to search for the following attachment types:


File TypeAttachment Types
OptionalAny or no attachment type.
Any AttachmentsAny attachment type
Documents.DOC, .DOT, .DOCX, .DOCM, .DOTX, .DOTM, .PDF, .RTF, or .HTML.
Spreadsheets.XLS, .XLT, .XLSX, .XLSM, .XLTX, .XLTM, .XLSB, .XLAM, or .CSV.
Presentations.PPT, .PPTX, .PPTM, .POTX, .POTM, .PPAM, .PPSX, .PPSM, .SLDX, .SLDM, .THMS, or .PPS.
Text Files.TXT, .TEXT, .HTML, or .LOG.
Images & Photos.JPG, .JPEG, .PNG, .BMP, .GIF, .PSD, .TIF, or .TIFF.
Sound & Video.MP3, .MP4, .M4A, .MPG, .MPEG, .AVI, .WAV, .AAC, .WMA, or .MOV.
Compressed.ZIP, .RAR, .CAB, .GZ, .GZIP, or .7Z.
NoneNo attachment type


Other Criteria


  • Folder: Specify a folder to focus the search on that specific content.
  • Route: Specify whether to focus on any route, internal, outgoing, or incoming messages.


See Also...


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