faild to excute Save toolbox to previous versionin arcgis pro

[ALI_AZZOUHRI]

Hello everyone i'm trying to use Save toolbox to previous version in arcgis pro 3.2 but i can't found the toolbox as shown in the picture below.

i mean wht thers a difrent between arcmap tool box path and arcgis pro toolbox path

[DanPatterson]

As indicated on your other thread

Failed to execute saveToolbox to version - Esri Community

the  construction of toolboxes in Pro are different now.  You can't save the Pro toolboxes to an older version, only ones that you create.

So if you have a toolbox that you created and are trying to save to a previous version, can you provide details for it