SubSilver

[vSoftware]

To split PST file into smaller parts safely, start by creating a separate backup of your original Outlook PST file. This ensures that the source data remains available if the splitting process is interrupted or produces unexpected results.
Next, select a reliable PST Splitter Tool that supports the PST file you want to process. Depending on the software, you may be able to divide the file according to size, date, year, or individual folders.
Before starting, verify that the tool is designed to preserve important information such as emails, attachments, contacts, timestamps, formatting, and folder hierarchy. If a Free PST Splitter version is available, you can use it to evaluate the interface and supported features before processing a large file.
After splitting the PST, do not immediately remove the original file. First, verify the newly generated PST files and check whether the required emails and folders are present.
Following a backup-first approach, choosing appropriate splitting criteria, and verifying the output afterward can make PST file splitting considerably safer and more manageable.
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