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CHOOSE

Supported, behaves as documented

Category: Lookup and reference · Last tested 2026-08-06

Real, executed compatibility results for the CHOOSE function across Microsoft Excel, Google Sheets, and LibreOffice Calc — verified by actually running it. Syntax and links to each vendor’s official documentation are below.

Support matrix

EngineDocumentedLive-testedVerdict
Excel Yes Not yet n/a
Google Sheets Yes Not yet n/a
LibreOffice Calc Yes Yes (25.8.7.3, 2026-08-06) Supported, behaves as documented

LibreOffice version history

We executed the same test cases under each LibreOffice release to show exactly when CHOOSE’s support changed — not documentation claims, real results.

LibreOffice versionVerdictTested
24.2.0.3 Supported, behaves as documented 2026-07-19
24.8.7.2 Supported, behaves as documented 2026-07-19
25.2.0.3 Supported, behaves as documented 2026-07-24
25.8.7.3 Supported, behaves as documented 2026-08-06

Executed test cases

LibreOffice Calc 25.8.7.3 (tested 2026-08-06)

FormulaDescriptionResultExpectedVerdict
=CHOOSE(2,"a","b","c") index_num=2 selects the second value in the list b b Matched
=CHOOSE(1,10,20,30) index_num=1 selects the first value 10 10 Matched
=CHOOSE(5,"a","b","c") index_num beyond the number of supplied values -> #VALUE! #VALUE! #VALUE!
https://support.microsoft.com/en-us/office/choose-function-fc5c184f-cb62-4ec7-a46e-38653b98f5bc -- 'If index_num is less than 1 or greater than the number of the last value in the list, CHOOSE returns the #VALUE! error value.'		 Matched
=CHOOSE(2.9,"a","b","c") Non-integer index_num is truncated toward the lowest integer before use, not rounded b b
Same doc as above: 'If index_num is a fraction, it is truncated to the lowest integer before being used.' 2.9 truncates to 2, not rounded to 3		 Matched
=SUM(CHOOSE(2,A1:A3,B1:B3)) CHOOSE can select an entire range as its 'value', which is then fed to SUM 60 60
index_num=2 selects the B1:B3 range; SUM of 10+20+30=60		 Matched

Docs & syntax