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View Full Version : What is the best way to reduce large PST file size issues?



Robertparkar
02-20-2026, 10:48 PM
The best way to handle large PST file size issues is to split them into smaller PSTs using the MailsDaddy PST Split Tool. This helps improve Outlook performance, reduces the risk of corruption, and makes data easier to manage.

WilliamsWelsh9
02-23-2026, 12:40 AM
If you’re struggling with oversized PST files in Microsoft Outlook, you’re not alone. Large PST files often cause slow performance, frequent freezing, file corruption, and issues while sending or receiving emails. The best way to reduce large PST file size problems is to split the PST into smaller, manageable files instead of storing everything in one oversized file. Although manual methods like archiving or deleting emails can help to some extent, they are time-consuming and may not be suitable for users handling important business data. A more reliable solution is using the Cigati Outlook PST Splitter Tool (https://www.cigatisolutions.com/split-pst-tool/), which allows you to divide large PST files by size, date, folder, or email ID without affecting data integrity. This approach improves Outlook performance, minimizes corruption risks, and keeps your mailbox well organized. For professionals and businesses managing large volumes of email data, splitting the PST file is one of the safest and most effective ways to resolve large file size issues.