Overview

An OTM file stores a macro created specifically for Microsoft Outlook. Outlook uses a single file known as VbaProject. OTM to save all of its macros. It keeps coded applications created using the Visual Basic Editor. Two of the things these programs help with are gathering attachments and scanning email messages.

Category

It falls in the category of Project Files.

Supportive Apps

MS Office Outlook

Developer

The developer of OTM is Microsoft.

MIME Types

Application/octet-stream

Location

The location of the file format depends on the operating system and Outlook version used by users.

Outlook 2007 on Windows Vista/Windows 7

Drive:\Users\(user)\AppData\Roaming\Microsoft\Outlook\VbaProject.OTM

Outlook 2013 on Windows 8

Drive:\Users\(user)\AppData\Roaming\Microsoft\Outlook\VbaProject.OTM

To View the OTM files, you need to use MS Outlook.