.OTM File Extension

File Type:
Outlook Macro File

Having trouble opening .otm extension? Don't panic! This page explains what otm files are as well as suggests programs you may use to open otm files. You can download these programs through this page.

What is a OTM file?

Otm file extension has Outlook Macro file type, developed by Microsoft, which is associated with the "executable files" category.

These are macro files created by Microsoft’s email application. OTM files include scripted functions in the VBA language. OTM files allow users to save time when performing repetitive tasks making the process automated. For example, when scanning emails or downloading email attachments. If you want to use macros in Outlook, then you have to enable them in the security settings menu.

To learn how you can open the given file, read the information below.

otm file icon
File Type:
Outlook Macro File
Executable Files

How to open OTM file?

Double click the otm file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .otm extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the otm extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the otm file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open OTM files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the otm file as well. Download Universal File Viewer for your OS.

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Download for Mac
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