PSOLF is a standard SAP Table which is used to store Saving Changed Vendors for Execution data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The PSOLF table consists of various fields, each holding specific information or linking keys about Saving Changed Vendors for Execution data available in SAP. These include LIFNR (Account Number of Vendor or Creditor), BUKRS (Company Code)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .