Click the "Select File" button above, and choose your ATG file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert ATG to another file type
To convert your ATG file to another format, you need ActEd Tutor or other Developer software.
Convert a file to ATG
To convert other file formats to the "Grammar & Tutorial File" file type, you need software like ActEd Tutor or a similar tool.
About ATG files
The .ATG filename extension represents two distinct, specialized file types that often confuse users due to their conflicting environments.
Actuarial Exam Tutorial: The most common variation (approx. 24% of share) originates from ActEd Tutor software (by Actuarial Education). These files contain interactive questions, course notes, and exam simulations used by students preparing for professional actuarial qualifications. They are typically proprietary, meaning they are locked to the specific version of the ActEd software and cannot be easily opened in standard readers like Microsoft Word or Adobe Acrobat. This proprietary lock-in is a major problem for students trying to archive their study materials or view them on mobile devices (iPad/Android) which lack the native ActEd application.
Coco/R Attributed Grammar: In the software development world, an .ATG file is a plain text file used by Coco/R (a compiler generator). It contains the grammar rules (EBNF) and semantic actions used to generate a scanner and parser for a specific language. While these are technically just text files, opening them in a standard editor often results in poor formatting or missing syntax highlighting.
ActivInspire Resource: Occasionally associated with Promethean ActivInspire or legacy ATutor LMS implementations as a flipchart or activity resource.
Best Conversion Targets:
For Archiving (ActEd): The only reliable workaround is often to "print to PDF" from within the original application if accessible, converting the interactive elements into a static PDF document for long-term storage.
For Developers (Coco/R): Convert to TXT or HTML to preserve code structure for documentation, or open directly in an IDE like Visual Studio Code for editing.
Convert.Guru analyzes your ATG file, detects the exact format, and lets you read the text inside.
Users also converted AEG and F&F files.
FAQ
If you want to convert ATG file to MP4, AVI, MOV, WMV, FLV, WEBM, MKV, M4V, 3GP, OGV, ASF or RM, you can use ActEd Tutor or similar software from the "Actuarial Exam Tutorial" category. In the File menu, look for Save As… or Export….
To convert MTS, MOV, RMVB, DIVX, RM, H264, TS, WMV, VOB, MP4, XVID or AVI files to ATG, try ActEd Tutor or another comparable tool in the "Actuarial Exam Tutorial" category.
The ATG Converter Story
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 ATG converter.