Microsoft officially announced that it would be opening its Outlook’s PST file format by publishing documentation. Each time in the past that Microsoft offered to publish technical specifications, the ...

Microsoft Outlook may store your Personal Folder files, or PST files, in one of several different locations, depending on which versions of Outlook and Windows you use. It gets even more complicated ...

Your Outlook Data File is composed of a file header, located at the beginning of the document, and the actual data that makes up your personal folders. Contained in the header is information about the ...

Microsoft today announced that it will be releasing documentation for the .PST file format, which is used for storing data ranging from e-mail to calendar to contacts in Outlook Personal Folders, but ...

On October 26, Microsoft officials announced they were planning to open up the Outlook Personal Folders .PST file format and making it freely (and safely) licensable. What no one has said so far is ...

If Outlook disappeared or has stopped working after importing PST file in Windows 11, here is how you can fix the problem. You can go through this article if you have already imported the PST file ...

Windows 11 KB5078127 is an 'out-of-band' patch to fix an issue that broke Outlook Classic (POP, PST) after January 2026 Patch ...

If you see Outlook Data File has reached the maximum size message, then you can try the following resolutions: Reduce the size of .pst file Increase the size limit for .pst files through the Registry ...

Here is the deal: <P>My cable ISP gives us three email addresses by default, but all three are essentially just variations on the different domains they own and all are delivered via the same ...