If you don't have an idea about convert OST to PST File in Office 365 So not need to be worried because SoftMails are here to help you.
You can download SoftMails OST to PST Converter Software which is one of the best tools till now because it provides easy process to convert corrupted, damaged OST files to PST Outlook file. It is windows based solution that you can use for making your OST file best.
OST to PST Conversion Software is capable to recover and export OST file to PST Outlook file, EML, MSG, HTML, EMLX, MBOX and Office 365 with extract all OST emails, contacts, calendars, task and other remaining data.
Method 1: After Converting OST Files to PST Format, Upload to Office 365
It is not a direct method to import OST files into Office 365. First,you have to convert the OST files to PST format. After that, you will need to upload the PST files to Office 365.
Step 1: Convert OST files to PST format
Open your Outlook account >> file >> import and export.
Select Export to a file and click on Next
Then go to Personal Folder File (.pst) >> Next.
Now select email or folder; check on Include Subfolder >> Next.
Browse the location where you want to save the file and check “Replace duplicate with items imported” and click Next.
Put the password (if you want, otherwise skip it) and hit Ok. Note: If the Microsoft Exchange server is offline or you are not connected to the server, then this method will not work properly. In that case, easily use SoftMails OST to PST Converter Software to convert OST file data to PST Outlook file.
Method 2: Import Outlook OST into Office 365 Using SoftMails OST to Office 365 Converter Software
As we can see that above methods are time consuming and not capable to convert OST file to Office 365 So, here recommending SoftMails OST to Office 365 Converter Software that is GUI Supported application capable to convert offline OST file to Office 365 with extract all OST file emails, contacts, calendars, task, notes and appointments.