The WebbyAcad OST Recovery Tool offers advanced features to fix damaged OST files and convert them to PST, EML, MSG and other formats while preserving folder hierarchy and metadata. It supports all Outlook versions and has no file size limitations, making it a comprehensive solution for recovering inaccessible OST data. I don’t have an answer to this other than to voice my suspicion that it is likely due to new Microsoft updates (windows and office). Fix Outlook Not Opening After Windows Update Find the .ost file that the error message reported to have errors, and then delete it and open outlook, it will recreate a new .ost file. Change the Outlook sync settings to only keep a limited amount of mail off-line. If you only keep 6 or 12 months offline that will reduce the OST size significantly.

Repair Outlook Data Files (.pst and .ost)

An Outlook data files are designed to safely handle max space 50GB in Outlook 2010 to 2019 and Office 365 by default. You can try syncing outlook file 6 to 12 months or through archiving email using retention policy, could be a better way to protect the .ost size from corrupt. As it is converted, you can easily view the contents of the data file.

Outlook - OST file recurring corruption

Although the repair process might recreate some of the folders, they may be empty. The Outlook Stuck on Synchronizing Folders Lost and Found folder contains any folders and items recovered by the repair tool that Outlook can't place in their original structure. You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file.

• Even with the reg hack in place, I’ve found that ost files over 50gb tend to corrupt and become unusable with regularity.
• This is all most people will need, searching for older items will be slower but for daily use items it will still be quick.
• If you're using an Exchange email account, you can delete the offline Outlook Data File (.ost) and Outlook will recreate the offline Outlook Data File (.ost) the next time you open Outlook.
• This article offers to rebuild the OST file without putting you in any difficulty.
• While you seek to counter this problem, you look for effective techniques.
• "Excellent program. Ive used it twice to convert .EML files to .MSG. Thank you."
• While it is your go-to solution, it provides exceptional repair services.

What are the major Reasons of OST Corruption and how to Fix it

The question mentioned above is thus definite in such a case. It is surely possible to rebuild the OST files at any instant. Although the procedure may differ to some extent, it can be executed. This article will mention the process to rebuild the OST file in detail. Perfectly repair and recover corrupted Outlook PST & OST files.

Method 4: Use OST Repair Tool

In certain cases, you must go for other methods to recover the data across OST files. If the respective file is not rebuilding from the above methods, there are other ways to get its data. This can be done with the help of PST files, another Outlook data file form. While they act as the basic backup data file for the user, the OST file connection status shows disconnected can be easily converted to this form. Also, I forgot to mention that normally when the OST is corrupted you normally delete the file and recreate it.