Add OST to Outlook, directly it is impossible. The only way is to convert OST to PST and then import the PST file into Outlook for Mac and Windows.
Add OST to Outlook (Mac & Windows)
How much ever we try to remain cautious, we end up making mistakes nonetheless. And sometimes, these mistakes cost us more than we can afford to have on our plate. If we talk about adding OST to Outlook then there are many prospective errors that can happen and majority of users don’t even realize these until it’s too late.
First
Firstly, when users opt for manual methods to add OST to Outlook, the first step remains extraction of the OST files. In that, the elements associated with these files should be accounted for too. For instance, HTML text files, non-English content, attachments, nested messages, etc are all small components of the emails that we use.
These can go unnoticed in the extraction process because many a times there are specific ways to extract these which we as users remain ignorant to. Thereby eventually, when the user tries to add OST to Outlook, the conversion remains incomplete.
Second
Secondly, the users dedicate huge amount of time to adding OST to Outlook when the whole process can be wrapped up in much less time. There is a reason why the third party professional email conversion tools exist. And the users must utilize them to save their time as well as efforts.
Third
Lastly, the users settle down for average conversion results under the wrong impression that there isn’t a better outcome that can be produced. While adding OST to Outlook, if you do not get mirror-images of the OST files then there is something wrong with what you did.
The Best Way to Add OST to Outlook
Now that we are aware of the mistakes that do happen in adding OST to Outlook, let’s talk about a sophisticated OST to Outlook conversion tool that can help us in fixing all of these in the blink of an eye –OST Extractor Pro.

OST Extractor Pro fixes the that arise in Adding OST to Outlook.
OST Extractor Pro is an amazing OST to Outlook converter that can sidestep all the issues mentioned above. It can in fact ensure that the whole process goes uninterrupted. The tool is built up on a very sturdy technology that enables it to produce such flawless results.
If we talk about the speed control of this tool in adding OST to Outlook, then it can be concluded that this is the fastest OST to Outlook converter. As soon as the tool tactfully extracts the OST files, the process can be set into motion by the user with a few clicks. This tool then starts working with the help of its special embedded algorithms. These algorithms help this tool to quickly rebuild each file on the database in the desired format. And the files rebuilt are truly the perfect replications of the original files. There is no data modification in the whole process.

How to Add OST to Outlook
- Launch “OST Extractor Pro”
- Click the button – “Add OST”
- Browse and select single or multiple OST files.
- Click on “Open” to load OST file into it.
- Check the optional settings.
- Select the output format as PST file (*.pst).
- Click on “Convert”
- Wait till the conversion process end.
- Once it is done, you can add the file to Outlook for Mac or Windows.
Try It to Add OST to Outlook
That is how easily yet perfectly a user can add OST to Outlook with the help of OST Extractor Pro. Download this tool now and start your journey to perfect conversions!