2.1.455 Part 1 Section 17.16.3.2, Bookmarks

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1. The standard does not explicitly indicate behavior when a bookmark name is a valid table cell reference and is used in a field formula.

In Word, if the bookmark name used in a field formula is a valid cell reference as described in A1-Style Cell References, §18.17.2.3.1(a) or R1C1-Style Cell Reference, §18.17.2.3.2(a), its value is evaluated as follows:

If the field formula is contained in a table and references a non-existent table cell, an error message is displayed. If the table cell exists, but does not have a numeric value, Word will use a value of 0. If the table cell does have a numeric value, Word will use that value.

If the field formula is not contained in a table, and the bookmark name is not a valid bookmark, Word will use a value of 0. If the bookmark name is valid, and the bookmark does not have a numeric value, Word will use the value of 0. If the bookmark name is valid and the bookmark does have a numeric value, Word will use that value.

  1. The standard does not explicitly indicate behavior when a bookmark name is the same as a reserved function name.

    In Word, reserved function names cannot be used as bookmark names within a formula or expression.