SysTools OLK Viewer Freeware

Standalone Tool to Read & Open olk15 & olk14message File on Windows

(Average Rating 4.7 Based on 43 Reviews)


OLK Viewer





Read & Open .olk15 & .olk14message File on Windows OS

  • Open and view OLK file of Mac Outlook on Windows
  • Allows preview of OLK emails along with it's Meta Properties
  • Sort & Preview OLK File according to Date, Size, Subject
  • View OLK file emails, contacts, calendars without Identity folders
  • Allows two Viewing Modes: File Mode & Folder Mode
  • No size limitation on the number of OLK Files to be viewed
  • Supports to Add Mac Outlook Identity Data via DMG file also
  • MS Outlook installation is not necessary to open OLK file
  • Supports Windows 10 and all the below versions

Free Live Demo - SysTools OLK Viewer Tool Fully Secured Download Version

Awards & Ratings of SysTools OLK Viewer Software

Highly Rated OLK Viewer Freeware for Your Ease

Awards & Reviews

MVP & Expert Reviews

List of Key Features of OLK Viewer Tool

Display emails and attachments

Display Emails & Attachments

OLK Viewer tool lets to open and view the OLK messages along with the attachments. User can preview emails and other data folder wise (inbox, outbox, sent items, drafts, deleted items etc) properly. The tool supports olk14msgattach and olk15msgattach files both.

View OLK14 Message & OLK15 Message

View OLK14 Message & OLK15 Message

The tool supports the preview of OLK message versions such as OLK14 message and OLK15 Message. The olk files are native application dependent and cannot be opened and viewed outside. However, with the help of OLK Viewer freeware, you can open and read OLK file without any dependency.

View All Email Properties

View All Email Properties

Using OLK Viewer Software, users can open, preview and read OLK Messages in Windows machine along with the associated meta properties. The meta properties include To, From, Subject, Cc, Bcc, Path, Attachments, etc.

Sort emails inside the OLK File

Sort emails inside the OLK File

Another useful feature of the OLK Viewer Freeware is that, it provides the option to sort OLK messages with respect to Date, Size, Subject, From, To, Sent, Received, Size, etc. Users can easily sort all of the OLK files based on alphabetical or numerical order.

Read olk15 & olk14message from DMG File

Read olk15 & olk14 message from DMG File

File mode allows user to open & view OLK file from the Disk Image File (.dmg) file on a Windows Operating System. It allows user to extract all the OLK emails compacted within the Disk Image. You need to choose the File Option & browse DMG File on the Local System. This will help to open OLK File by extracting a single file.

View OLK File using Main Identity (*.olk*)

View OLK File using Main Identity (*.olk*)

OLK Viewer freeware is built to view multiple Outlook for Mac 2016 & 2011 OLK message files by providing an option to choose Main Identity Folder created by MS Office Suite. You need to Choose the Folder Option & browse Main Identity Folder on your Local System to open OLK File within its sub-folders.


Download SysTools OLK Viewer Tool

Software Download

Size :19.7 MB

Version : 4.0

MD5 : 99a8a922548c894fd309cc01850797d8

Software Limitations

Demo Limitations
SysTools OLK Viewer Software previews OLK emails along with the attachments

System Specifications

Hard Disk Space
50 MB recommended for installation

512 MB of RAM (1 GB RAM Recommend)

1 GHz processor (2.4 GHz is recommended)

Operating System

Microsoft Windows: 2000, 2003, 2008, XP, Vista, or Windows 10/ 8/ 7 2008/2012 (32-bit & 64-bit)

MS Outlook: Outlook for Mac 2011, Outlook for Mac 2016

Application Pre-Requisites

If you are using Windows 10, 8, 7 or Vista, then please launch the tool as "Run as Administrator".


Electronic Delivery



Why Upgrade to OLK Viewer Pro – Brief Overview of Free & Pro Version

Features FREE Version PRO Version
Add OLK14 & OLK15 File
Add File & Add Folder Mode
Preview OLK14 & OLK15 Files
Naming Convention & Date Based Catogory
Apply Date Based Filter
Download Upgrade to Pro

Frequently Asked Questions

Listed Commonly Asked Questions and Answers

Briefly describe the overall features of this tool?

Please share some of the important characteristics of this tool

OLK Viewer Freeware

Overview of OLK Viewer Software:

  • Install OLK Viewer tool and run it.
  • Once the tool is installed, Go to Add File Option
  • Allows preview of emails along with attachments
  • Provides two modes of view: File Mode & Folder Mode
  • Supports windows 10 and all the below Versions
  • Supports Outlook 2011 Mac and Outlook for Mac 2016

I recently lost some of the messages having attachments in the process of deleting another set of messages. However, when I searched for them, I found them with .olk extension. So how can I extract OLK files with this olk14message reader tool?

OLK14 & OLK15 files are the backend storage files of your Outlook for Mac emails, message source, and attachments. These files are application readable, thus, you cannot open them. However, OLK Viewer freeware is capable to open & read OLK file successfully, even in multiples. This OLK Reader software supports to view OLK14 File & future versions of this Viewer would support OLK15 Message Files as well.

OLK Messages are saved inside different folders and these folders can be compressed in the form of Disk Image files for better management. It will be easy for the users to browse single dmg file instead olk file one by one

Within Mac You can Find the Main Identity Folder in the following Location:

UsernameLocation/ Documents/ MicrosoftUserData/ Office2011Identities/ MainIdentity

I recently found some of the archive OLK14Messagesource files on my machine. However, as suggested by someone, I read OLK file by changing their extension to .eml. How to open olk15 or olk14message reader file in multiple numbers?

Yes, you can open OLK file that too in multiples without having to change the extension. Install OLK Viewer freeware, select all OLK files, you need to read and load them on to the OLK viewer Freeware panel. You can easily view the messages along with their contents and attributes clearly displayed.

NOTE: Making changes to the extension of any file can cause damage to its contents. Ensure that you create a copy of OLK files before making any such attempts.

Folder Mode allows user to read OLK14 & olk15Message File directly from The Main Identity of MS Office 2011 & 2015. Take a copy of data from Mac to Windows PC from below given location:

Default Office 2011 Identity Location:

Default Office 2016 Identity Location:
Library/Group Containers/UBF8T346G9.Office/Outlook/Outlook 15 Profiles/Main Profile

Now, Browse the Main Identity Folder from the Windows PC where you have copied the Folder to open OLK File in the software.

Create a New Compressed DMG File comprising of the Main Identity Folder on Mac machine. Now copy that file on Windows PC. Now Browse the Source Location of the DMG File into the software to read OLK File encapsulated within the DMG File with the aid of OLK Viewer Freeware.

What Clients Say

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