how to update location of toolbox in case of update from solidworks 2020 to 2021
The toolbox location is set in Tools > Options > System Options > Hole Wizard/ToolboxYou can also se the toolbox location in the registry at the key:HKEY_CURRENT_USER\Software\SolidWorks\SOLIDWORKS 2021\General\Toolbox Data Location
If you want to keep 2020 toolbox, copy the folder and change it to 2021.
During install change Toolbox location to 2021.
There is another setting in ToolBox Setting 2021, User settings > Create parts in this folder.
Retrieving data ...