>>The GetTempPath function checks for the existence of environment variables in the following order and uses the first path found:
>>- The path specified by the TMP environment variable.
>>- The path specified by the TEMP environment variable.
>>- The path specified by the USERPROFILE environment variable.
>>- The Windows directory.
>>
>>Check TEMP and TMP environment variables. It might happen, some application sets them when your computer starts.
>
>I think I solved this.
>
>It seems that SYS(2023) returns VFP IDE Tools/Options/File Locations/Temporary files setting. This is undocumented.

Yes, of course, I think this is quite obvious! Why else should we have this setting?