Converting a Lotus Notes archive (.NSF) into Outlook (.PST) requires a professional tool because of the format incompatibility.

The most straightforward way is by using eSoftTools NSF to PST Converter Software. Simply add the archive NSF file, preview the folders, and export them to a PST file. The software also provides options to split large PST files into smaller ones for better manageability in Outlook.

This ensures you can access your entire Lotus Notes archive safely in Outlook without any risk of data corruption.

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