OSS_Ja_JP

Users can directly go for MailsDaddy OST to Office 365 Migration Tool which allows users to import OST files into Office 365 without any hassle. Using this advanced solution user can open and view the preview of complete OST files databases in the preview section. It has the ability to easily recover all damaged and corrupted OST files.
Here users can directly transfer OST files into Office 365 Primary and In-Place Archive Mailboxes. The software also offers users to upload single or multiple OST files into one or more Office 365 accounts at a single time.

To know more, visit here: https://www.osttooffice365.com/

The OST to PST Converter Tool is what I'll recommend. With only a few clicks, you can upload data from an OST file into an Exchange Online mailbox using this GUI-based tool. The ability to import OST into Office 365 Primary and Archive mailboxes is the finest feature of this application. The software is a user-friendly program. All users need to do is convert their OST files to PST file format, which they can then quickly export to Office 365. This utility allows users of all skill levels to convert OST files to Office 365. Users can transmit Microsoft their PST field by simply uploading it to a hard disc. The data from its disc drive is then easily copied and uploaded to Office 365. Use the demo version, which is free.
Click Here to More Information:- https://www.osttopstapp.com/

To import OST to Office 365, you need a reliable tool like Aryson OST to PST Converter. It converts single or multiple OST files in a single go without compromising data integrity. The tool help users to migrate the files in just a few clicks. Users can convert OST files into various file formats and email clients like PST, MBOX, EML, MSG, CSV, Gmail, Thunderbird, Outlook, Office 365, etc. The tool transfers all data, including emails, contacts, calendars, tasks, notes, journals, etc.
Know more: https://www.arysontechnologies.com/convert-ost-to-pst-online.html

To import OST to Office 365, I would like to share a blog with you where you can find both a manual and professional solution. The first manual method is an indirect method in which you convert OST to PST and then import the PST into Office 365. Manual methods are more advanced, shorter, and less time consuming to assist any user nowadays. If you have any problems during the conversion, you can use the third-party utility recommended by the blog.

To know more, visit : https://www.datarepairtools.com/blog/import-ost-to-microsoft-365/