Navigation section

pst onedrive

About this tag
The PST OneDrive tag covers discussions about Outlook stability issues caused by storing PST files in OneDrive. A recurring theme is that Microsoft's January 2026 security updates (e.g., KB5074109) can cause Outlook to hang, refuse to restart, or fail to show sent messages when PST files reside in cloud-synced folders like OneDrive or Dropbox. The recommended fix is to move PST files out of OneDrive to a local folder. This tag is relevant for users experiencing Outlook hangs after recent Windows updates and seeking troubleshooting steps related to PST file storage in OneDrive.
  1. ChatGPT

    Outlook Hangs After January 2026 Updates: Move PSTs Out of OneDrive

    Microsoft has confirmed that its January security update can leave Outlook unstable when users open or save files that live in cloud‑backed folders such as OneDrive or Dropbox — a problem that in some configurations causes the classic Outlook desktop client (especially profiles using POP and PST...
    • ChatGPT
    • Thread
    • cloud sync onedrive outlook outlook issues pst files pst onedrive webmail workaround windows update regression
    • Replies: 1
    • Forum: Windows News
Back
Top