If you want to convert OST to PST files, then you can download the MacMister OST to PST Converter for Mac. It helps you to convert OST emails, calendars, notes, etc. to numerous types of formats, i.e. PDF, EML, DOC, MSG, MBOX, HTML, MHT, and more without losing data. The software includes the feature to convert multiple OST files to various email clients like Thunderbird, Office 365, Gmail, Yahoo, Outlook.com, etc., without any trouble. Most importantly, this expert program is widely supported on both Windows as well as Mac OS editions.
Read More- https://www.macmister.com/blog/convert-ost-to-pst-without-outlook/
Download for free- https://www.macmister.com/ost/

Goldytools OST to PST Converter is the best recovery tool that repairs all corrupted OST files and converts them to PST. This recovery tool exports 20 items from each folder and converts them to PST in multiple formats like eml, emlx, html, rtf etc. This OST recovery tool has simple GUI, so it does not require much technical knowledge to use.

https://www.goldytools.com/outlook-pst-repair.php

To manually convert an OST file to a PST file, first, open Microsoft Outlook and go to "File"> "Open & Export"> "Import/Export." Select "Export to a file," choose "Outlook Data File (.pst)," and then select your OST file to export.
Alternatively, you can use Sysinfo OST to PST Converter which is the finest and most efficient utility for converting an OST file into an Outlook PST file with 100% accuracy and no data loss is a versatile software that not only converts OST to PST but also supports other formats such as MBOX, PDF, JSON, and more. This multi-functional tool ensures accurate conversion and preservation of data.
https://www.sysinfotools.com/ost-to-pst-converter.php

DRS OST to PST Converter is a great tool to convert OST files into other formats including Outlook PST. It allows users to convert and export OST files to different file formats or email clients. This includes OST conversion to PST, MBOX, EML, EMLX, MSG, PDF, CSV, GIF, JPG, TIFF, HTML, MHTML, PNG, DOC, DOCX, DOCM, JSON, VCF, and ICS file formats. You can either convert a single file or multiple files to save time and effort.

Find Out More - https://www.drssoftech.com/convert-ost-to-pst.html
Guide to Convert OST to PST - https://www.drssoftech.com/blog/convert-ost-file-to-pst/

To import OST into Outlook, after convert the OST file to a PST file using a tool like Stellar Converter for OST is the way to convert your data. This software is trusted and recommeded by Microsoft MVPs and IT Admins. It also supports Outlook 2021, 2019,2016 and earlier version of Outlook. And if you want converter data in PST, EML, HTML, PDF, MSG and RTF file formats. Its converting ensures all mailbox items are accessible in any Outlook account, especially for large, orphaned, or inaccessible OST files from Outlook. To know more Stellar Converter for OST - https://www.stellarinfo.com/convert-ost-to-pst.php

If you are looking for the best method to convert OST files to PST then I suggest you use the professional method. This method is the most effective and reasonable method which converts the OST data to PST and many file formats such as PDF, EML, MSG, MBOX, EMLX, and many others. It has the utility to import OST emails to numerous email clients for instance Gmail, Yahoo Mail, Thunderbird, IMAP server, etc with high accuracy. This professional method is highly compatible with all Windows OS versions and allows the removal of duplicate OST files during conversions.

By using the ConverterTools OST to PST Converter tool you can smoothly convert OST data to various file formats like PST, EML, MSG, MBOX, PDF, etc including the attachments. It permits to import the of OST files to different varieties of email clients for example Gmail, Yahoo Mail, Thunderbird, Office 365, Hotmail, and so on. Likewise, this professional assists in removing all OST duplicate emails throughout the conversion process.

Kernel for OST to PST Converter is a feature-rich tool that facilitates easy conversion of OST files to PST. It can handle both normal and highly corrupt OST files, and it provides options to save the converted data in various file formats, including PST, MSG, EML, and MBOX. https://www.nucleustechnologies.com/ost-to-pst-converter.html

To convert OST files to PST on Mac, users are suggested to use a professional and automated OST to PST Converter Tool for Mac. It can bulk/single convert and import OST files into various file formats and email clients on Mac without any data alteration. Users can remove duplicate emails from the conversion and migration process. Mac OST to PST Converter Tool maintains the original folder hierarchy throughout the conversion process and allows the users to preview the files just before conversion. It also provides a feature to set the custom folder name with the location of the resultant file.

Read more: https://www.macsonik.com/ost-pst-converter/

Go with eSoftTools OST to PST Converter software because its interface is very quick and easy to learn and everyone can utilize it. It gives varieties of advanced features such as email filtering, live preview, and bulk conversion option. In this software, you can export your OST file emails, contacts, schedule, drafts to PST, Office 365, Yahoo, Gmail, Zimbra, ICS, EMLX, EML,vCard, HTML, MSG, and MBOX. Try the free trial pack of this software and download it.

Read more:- https://www.esofttools.com/ost-to-pst-converter.html

There are many file conversions needed during the O365 Migration process which acts as a hindrance if not done carefully. One of those hindrances is OST to PST extension conversion.

Method 1: Export mailbox as a PST file Login to Outlook From The Microsoft 365 or with the Exchange account that was used to create the OST files. And to export the OST mailboxes to PST, follow the simple procedure:

Go to Files >Open & Export and click Import & Export.

Select Export to a file; then click Next.

Select the second option—Outlook Data File (.pst)—and click Next

Select the folder which you want to export and click Next.

Browse the location where you want to save the new PST file and choose the options regarding the duplicate items.

Method 2: Use ‘Archiving’ to save OST emails to PST By enabling the Auto Archive method in Outlook, you will be able to save the items of the OST file in a separate PST file. This method helps you to keep the size of your mailbox manageable. When the size of the mailbox grows and there are multiple messages that are older and you do not require them to be in the mailbox, then you can put them in the archive folder easily.

Follow the simple steps to enable auto archiving in Outlook.

Launch the Outlook application, go to File, and click Options.

Go to Advanced and click Auto Archive Settings.

Now select the number of days in which you want to run auto archiving. Select the folder to save the archived file; also, provide the archiving options and finally click OK.

Hope these methods work out for you.

For more information on Office 365 Migration Services Pricing visit https://www.o365cloudexperts.com/office-365-migration/
Regards,
Jake Paul.

The OST to PST Converter Software is made for recovering your OST files data and easily convert OST files to PST. Restore your lost data from the OST file easily in a few steps. If you use Syslnspire OST to PST converter software, it will allow you to recover OST files data like emails, tasks, emails, chats, notes, inbox items, and outbox items, and more items. Efficiently Convert OST to PST, HTML, EMLX, MBOX, vCARD, etc. Also, provide a demo version facility which will allow you to convert OST file with selective 25 items from each folder to PST or other convertible format option free of cost.

Read More- https://www.sysinspire.com/ost-to-pst-converter/

With the help of this OST to PST Converter users can Convert OST file into Outlook PST Format. It converts OST emails, tasks, contacts, appointments, journals, events, etc. It can automatically search for OST files stored on the system location and convert OST file to PST. This tool also supports entire versions of Outlook. The file size is not an issue to get satisfactory conversion results. The free version of this software is also available. You can download this software from here:-https://www.freeconverter.app/free-online-ost-to-pst-converter/