If Outlook is running slowly, users can apply several optimization methods to improve its performance. First, reduce mailbox size by archiving old emails, clearing the Deleted Items folder, and managing attachments. Disabling unnecessary add-ins and RSS feeds can also help. Ensure Outlook and Windows are updated for the latest performance fixes.
Mainly, large PST files cause slow Outlook performance, so we need to split PST into smaller parts, so that Outlook performs better. There are a couple of ways to split the PST file, but
Shoviv PST Splitter Tool is an easy and fast way to split PST files.
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