Import OST to Office 365


As far as I know, there are two methods to import OST to Office 365 as the Indirect Manual method and the professional way. To import OST to Office 365, there is no direct manual solution available. To use this method, you must first convert OST files into PST format and then upload PST to Office 365 using the Microsoft Network upload technique. You can also use a professional tool to import PST files into Office 365. Using the professional tool, you'll also be able to import corrupted and non-corrupted OST/PST files into Office 365.

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