When you try to import PST files into an Office 365 account by hand, it can be hard, especially if the Outlook data files are big. I had a similar difficulty when I tried to move a bunch of PST files into my Office 365 inbox. It took a long time to finish the manual process because it had to go through a lot of technical steps. I looked for a simpler way to fix the problem and found
WholeClear PST to Office 365 Converter. It worked right away. The application lets you make
PST to Office 365 Migration without having to set anything up. During my move, all of my emails, contacts, calendars, and attachments were moved without any problems, and the organisational structure stayed the same. The whole process went smoothly and without any problems, even with enormous PST files.
Important Features
You can import PST files directly into Office 365 mailboxes.
Keeps the original formatting of the emails and the folder structure.
Can handle big PST files without slowing things down
easier-to-use UI that makes moving easier
Safe login and data transfer
Preview ability to look at PST mailbox data before importing