File Extension Library

.OLK15MSGATTACH File Extension

  • Developer by: Microsoft
  • Category: Data Files

What is an .OLK15MSGATTACH file?

.OLK15MSGATTACH file extension is created by Microsoft. .OLK15MSGATTACH has been classified as Data Files.

.OLK15MSGATTACH is Outlook 2016 Email Message Attachment File

An OLK15MSGATTACH file is a data file created by Microsoft Outlook 2016, an email and calendar program. It contains information about attachments to emails sent and received by a user in Outlook. OLK15MSGATTACH files are similar to .OLK14MSGATTACH files, which are created by Outlook 2011.

When viewing an email message in the 2016 version of Outlook for macOS, the data in the OLK15MSGATTACH file is loaded. The file allows the software to operate more efficiently by loading the information only when the user needs it.

OLK15MSGATTACH files are stored in the following directory:[user]/Documents/Microsoft User Data/Office 2011 Identities/Main Identity/Data Records/Message Attachments/

List of all softwares that can open the Outlook 2016 Email Message Attachment File
Microsoft Outlook 2016

How to Open .OLK15MSGATTACH file on different platforms

Open .OLK15MSGATTACH File on Windows

  • Right-click a .OLK15MSGATTACH
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .OLK15MSGATTACH file and Select check box "Always use this app to open .OLK15MSGATTACH files" Press "Ok"

Open .OLK15MSGATTACH File on Mac

  • Right-click (or Ctrl + Left-click) the .OLK15MSGATTACH file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .OLK15MSGATTACH File on Linux

Right click on the .OLK15MSGATTACH file, choose "Open with" and select a program from the list above

Open .OLK15MSGATTACH File on iPhone

Select a file. If you don't see an application to open the .OLK15MSGATTACH file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .OLK15MSGATTACH File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .OLK15MSGATTACH files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .OLK15MSGATTACH files

  1. You need to update the application that you normally use to open .OLK15MSGATTACH files. Only the latest version of the software supports the current .OLK15MSGATTACH file format
  2. You need to check the .OLK15MSGATTACH file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)