Convert Outlook macro files (OTM) online for free
The converter easily converts your OTM macro files to various formats - free and online. No Microsoft Outlook or or other Developer software needed.
To convert other file formats to the "VBA Macro Project" file type, you need software like Microsoft Outlook or a similar tool.
The .OTM file format primarily functions as an Outlook VBA Macro Project file. It stores Visual Basic for Applications (VBA) code used to automate repetitive tasks, manage emails, and create custom forms within Microsoft Outlook. Alternatively, it serves as an OpenDocument Text Master Template, which is a ZIP-based archive containing global formatting rules and boilerplate text for large, multi-part documents used in software like LibreOffice Writer.
.OTM macro files pose significant usability and security challenges. Because they contain executable code, they trigger malware warnings and are routinely blocked by corporate email firewalls. Furthermore, they are proprietary to the desktop version of Outlook on Windows and will not function in web browsers or mobile apps. The OpenDocument Text Master Template variant faces similar compatibility issues; commercial word processors like Microsoft Word struggle to render the sub-document links correctly, leading to broken formatting when shared.
To share macro code safely without triggering security alerts, convert the .OTM file to TXT or MD. For the OpenDocument template variant, convert to DOCX for maximum editing compatibility with Microsoft Office users, or to PDF for secure, read-only distribution. Just drag and drop your file here to analyze and convert it instantly.
Use Convert.Guru to open and convert your OTM file.
Users also converted OST, NK2 and PRF files.
If you want to convert OTM file to EXE, MSI, APP, DMG, DEB, RPM, PKG, RUN, SH, BAT, CMD or COM, you can use Microsoft Outlook or similar software from the "Outlook Macro Automation Storage" category. In the File menu, look for Save As… or Export….
To convert JAR, APP, SCR, IPA, COM, AAB, PS1, DMG, VBS, EXE, XAPK or MSI files to OTM, try Microsoft Outlook or another comparable tool in the "Outlook Macro Automation Storage" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our OTM converter.