![]() ![]() For users relying on PST files, this will lock the file and prevent the OneDrive sync client from uploading it to the server. Most users run Microsoft Outlook all day. However, this concept falls with PST files.įirstly, there’s an issue with flow and access violations. For many companies, this meets their needs and requirements. If the device is lost or stolen, all the data is in OneDrive, and it can simply be downloaded again. This is the justification made by many organizations to remove backup software from the endpoint device. ![]() With some policy settings, you can force devices to upload files in many common locations to OneDrive. The sync client will then upload file updates in the background. If you select a file that is not on the device, the OneDrive sync client will initiate and download the file so you can open it. The cache settings, controlling what is cached, dictate what files are stored locally. These files can only be accessed by one user at a time and when they’re opened, they’re locked.įiles being stored in OneDrive are cached locally on your computer. While they can be used by administrators to move email data, most commonly they are used by end-users in Microsoft Outlook. In theory, this sounds good, but it’s not practical. As firms move to OneDrive for user storage, many want to rely on the OneDrive sync client and remove desktop backup solutions. These files often contain current and critical information for their job roles. However, moving the data can be problematic, and many firms mistakenly believe OneDrive is a natural home in the cloud, which leads us to the main question for this article – why can’t OneDrive back up PST files? Why PST files on OneDrive is not a backup strategyĭespite PSTs being viewed as old data, for many users, this is not the case. As such, the old workarounds are becoming obsolete, although the practice of dragging emails off the server is so deeply ingrained in user behavior, it still happens with alarming frequency.ĭue to the risks, PSTs can’t be left to lurk in the shadows, so performing a PST migration to centralize the data is imperative. However, in the modern world, most organizations find PSTs and Email Archive Systems are surplus to requirements, as cloud-based email platforms (such as Exchange Online) provide virtually limitless storage and extensive eDiscovery capabilities. Organizations also leveraged these for eDiscovery and other needs as well. The archive systems remediated many of the security concerns by re-centralizing the data. These gave users the impression of bottomless email but in a less expensive place. Over the years, many organizations adopted complex Email Archive platforms to take the load off Exchange servers. As such, users and bad actors can move PSTs around with ease, creating data exposures. The passwords don’t offer encryption they’re simply a prompt for users to open the file, and unfortunately, many tools to remove or ‘crack’ passwords are freely available. ![]() They were not designed for secure storage, acting as more of a zip file for your email. However, PST files can pose significant threats. pst (Personal Storage Table), which enabled content to be saved locally without impacting the server. When users exceeded their quota, many would drag emails into offline files labeled. The early versions of Microsoft Exchange required very expensive disks, which meant IT departments enforced strict size limits on each mailbox. Let’s briefly recap how we got into this mess. While many organizations have taken steps to centralize PST files, the management problem is far from over, as evidenced by industry forums flooded with the question: ‘Why can’t OneDrive back up PST files?’. ![]()
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