About stop words and special characters

Last published : Apr 17, 2026
Stop words
Stop words are a set of commonly used words that Insight Personal Archive ignores when it performs a Search or Advanced Search. Insight Personal Archive treats the following words as stop words:
  • 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, with>Note: The stop words are supported in English only, unless your company subscribes to the option to perform enhanced searches in Japanese.
Note the following special cases:
  • In phrase searches a stop word acts as a placeholder for any stop word, or nothing.
See About Hit-highlighting and navigating to searched terms.
  • The words AND, OR, and NOT act as operators in a Boolean operator search.
See Boolean operator searches.
Special characters
Insight Personal Archive omits the following special characters from searches:
* @ # $ % ^ & - + = _ { } [ ] , < > ; : / \ ?Insight eDiscovery prevents you from entering the following special characters into the search boxes:/ \ < > #
Note the following special cases:
  • In phrase searches a special character acts as a placeholder for any special character, or nothing.
See About Hit-highlighting and navigating to searched terms.
  • Question marks and asterisks act as wildcard characters in a wildcard search.
See Wildcard searches.