If you have been using Microsoft Outlook 2010, there might be several instances of the breakdown or the corruption of the PST files.
ຖ້າຫາກວ່າທ່ານໄດ້ນໍາໃຊ້ Microsoft Outlook 2010, ອາດຈະມີຫຼາຍກໍລະນີຂອງການລະອຽດຫຼືສໍ້ລາດບັງຫຼວງຂອງໄຟລ໌ PST ໄດ້.