BITOR Function in Excel: Bitwise OR

⏱ 1 min readUpdated 28 September 2026

EngineeringLevel: ExpertAvailable in: Excel 2013+

In this article
  1. Syntax
  2. Examples
  3. Example 1
  4. Related functions

BITOR combines flag numbers: a bit is on if it is on in either input.

Syntax

=BITOR(number1, number2)
Argument What it means
number1, number2 Non-negative whole numbers.

Examples

Example 1

=BITOR(B2, 4)

Switch on the “blocked” flag (4) in a status code.

BITAND · BITXOR

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