Custom Functions requirement sets
Custom Functions use separate requirement sets from the core Excel JavaScript APIs. The following table lists the Custom Functions requirement sets, the supported Office client applications, and the minimum builds or versions for those applications where applicable.
Requirement set | Office on Windows - Microsoft 365 subscription - retail perpetual Office 2016 and later |
Office on Windows (volume-licensed perpetual) |
Office on Mac | Office on iPad | Office on the web |
---|---|---|---|---|---|
CustomFunctionsRuntime 1.4 | Version 2208 (Build 15601.20148) | Not supported | 16.64 | Not supported | Supported |
CustomFunctionsRuntime 1.3 | Version 2008 (Build 13127.20296) | Office 2021: Version 2008 (Build 13127.20296) | 16.40.20081000 | Not supported | Supported |
CustomFunctionsRuntime 1.2 | Version 1909 (Build 11929.20934) | Office 2021: Version 1909 (Build 11929.20934) | 16.34.20020900 | Not supported | Supported |
CustomFunctionsRuntime 1.1 | Version 1903 (Build 11425.20156) | Office 2021: Version 1903 (Build 11425.20156) | 16.34 | Not supported | Supported |
CustomFunctionsRuntime 1.1, 1.2, 1.3, and 1.4
- Requirement set 1.1 is the first version of the API.
- Requirement set 1.2 adds the
CustomFunctions.Error
object to support error handling. - Requirement set 1.3 adds XLL streaming support and new
ErrorCode
options to the CustomFunctions.Error object. - Requirement set 1.4 includes custom functions integration with data types and the
allowCustomDataForDataTypeAny
JSON manifest property to support the data types integration.
See also
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