If you decide to proceed, always download from official Microsoft channels, scan files for malware, and keep the system offline if sensitive data is involved. Remember that extended support has ended—you are now your own IT department.

Here’s why, along with what you might actually be looking for.

: A small integrated bar in the Calendar view that displays local weather forecasts. Technical Limitations & Risks First Impressions: Microsoft Outlook 2013 - CWL

Never open an Outlook PST file stored on OneDrive, Google Drive, or a network share. Corruption is almost guaranteed. Always save PSTs locally ( %LocalAppData%\Microsoft\Outlook ).

However, the designation "1.5.2" often appears in the context of several scenarios: