It becomes extremely inconvenient to open PST file without Outlook when Outlook crashes, refuses to load oversized PST files, or is simply unavailable due to licensing issues. Users often assume that converting PST files is the only option, but that can introduce compatibility problems and extra steps. A safer alternative is directly viewing PST content using a professional PST viewer that doesn’t rely on Outlook APIs. With SysInfo PST Viewer, users can instantly scan PST files, browse mailbox folders, and preview emails along with attachments in a clean interface. This eliminates unnecessary conversion steps and allows users to access their data exactly as it exists, even if the PST file is large or partially corrupted.

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