As the name suggests, this folder consists of temporarily saved copies of attachment. There are no OLK15 files generated on Windows by Outlook. This folder is where all the temporary attachments are saved by the client of the representing user profile emails. OLK Folder: this is a temporary folder created on Windows Operating Systems by Microsoft Outlook client. NOTE: Attachments are stored separately in another OLK file format. The OLK file format only stores the corresponding message header data (only).īesides this, there is another file namely OLK14 MSGSOURCE which consists of the email message contents without the attachment (if any). The client uses the backend OLK14 MESSAGE file for when a message is read on the client end by the user.
#Office 2011 identities message sources for mac#
The Outlook 2011 for Mac client was released as part of the MS Office Suite 2011 version, which was introduced exclusively for Mac OS. The file again is a proprietary and a dependent on the origin Exchange profile plus environment. Automatic synchronization takes place as soon as the profile is connected with the Exchange environment. This file is meant for offline usage, i.e. When working under an Exchange Server environment, configuring Outlook in Exchange cache mode generates an Offline Storage Table file, i.e. OST: This is a cache copy of the Exchange profile. This data file is a proprietary of Outlook and can only be read by the respective application and no other.
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This file is built in a binary structure and consists of all the data exchanged or generated using the corresponding profile - emails, address book, calendar (events, anniversary, meetings), tasks, journals, and notes (RSS Feeds - optional). When used individually, Outlook creates its default storage in the form of a Personal Storage Table file, i.e.
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PST: This is the primary data file type featured by Outlook.