To counter several difficulties related to the downtime in the Exchange Server when the database is not available when the user tries to open their account, Microsoft had designed Cached Exchange mode in which the mailbox is accessible in each situation. Microsoft Outlook, in the offline (Cached Exchange) mode, saves all the Exchange mailbox data…

In Outlook, the location of your OST file is important. This file stores all of your email messages and other data, so it’s crucial that it be located in the right place. But in some cases, you may need to change the location of your OST file in Outlook. For example, if you have multiple…

With the introduction of Exchange Online, users get the advanced features of Exchange Server without actually having an on-premises Exchange Server in their organization. The Exchange Online is available with the Microsoft 365 subscription plans of Business and Enterprise Editions. You can purchase it as a standalone application, but with Microsoft 365, it is integrated…

Microsoft Outlook relies upon Offline Storage Table (OST) and Personal Storage Table (PST) for storing your complete mailbox data on to the local machine. But if something goes wrong with any of the two core components, Outlook will not function properly. Basic Role of OST files in Outlook OST data files are simply the copy…

OST files are the offline replica of user mailboxes on the Exchange server. An OST file resides on the user system. So, it is vulnerable to many issues. The OST files can get damaged due to various reasons like virus attack, power failure, header corruption, etc. After such issues, OST files may not be accessible,…