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.OLK15MSGSOURCE File Extension

A .OLK15MSGSOURCE file is a Outlook 15 Message, created by Microsoft.

Open with Microsoft Outlook 365+. Available for Mac.

What is a .OLK15MSGSOURCE file?

An .OLK15MSGSOURCE file is a type of file specifically used by the Microsoft Outlook 15 program on Mac computers. This file stores the main content of an email, which includes things like the text of the message and any formatting it might have. The reason Microsoft Outlook 15 for Mac uses these files is to make emails open faster. When you click on an email, Outlook can quickly display the message because it reads this file.

To open an .OLK15MSGSOURCE file, you will need certain programs. The primary program that can open this file is Microsoft Outlook 365 or newer versions. This is because these versions are updated and designed to work with .OLK15MSGSOURCE files among other types. Another program that can open these files is the Gladwev OLK14 Message Recovery Tool. This tool is especially useful if you need to recover or view the contents of an .OLK15MSGSOURCE file without using Outlook, for example, if the file has been accidentally deleted or corrupted in Outlook.

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