Extract text from Harvard Graphics drivers (EX3)
To convert EX3 drivers to another format, you need Harvard Graphics or other System software.
To convert other file formats to the "Device Driver File" file type, you need software like Harvard Graphics or a similar tool.
The .ex3 file extension is primarily a legacy system format used as a device driver for Harvard Graphics, specifically designed for version 3.0. These files contain hardware-specific instructions that allowed the software to communicate with older printers, plotters, and video displays on MS-DOS and early Windows operating systems.
Originally developed by Software Publishing Corporation and later acquired by Serif Ltd., Harvard Graphics was an early pioneer in presentation software. It used these proprietary .ex3 files to manage output devices long before operating systems had universal plug-and-play drivers.
Users typically stumble across .ex3 files when digging through legacy MS-DOS backups or recovering data from old floppy disks. The primary disadvantage of this format is that it is entirely obsolete. Furthermore, users often mistakenly believe an .ex3 file holds their old presentations or charts, but it is actually a compiled driver file containing no user-generated document data.
Because of its nature as a system file, standard visual conversions (like saving it as a JPG or PDF) are generally impossible. The best practical approach is to extract readable data. We recommend targeting TXT to scrape any embedded ASCII text strings (such as hardware names or developer notes), or converting to standard BIN for safe archiving.
This format is notoriously difficult to process because it is a closed, proprietary machine-level binary file. Standard online converters fail to process it because they expect image or document data, not a 1990s hardware driver.
Convert.Guru analyzes your EX3 file, detects the exact format, and lets you read the text inside.
Users also converted IN3, SH3, HCX and EX4 files.
If you want to convert EX3 file to TMP, TEMP, CACHE, LOG, BAK, OLD, NEW, PART, DOWNLOAD, CRDOWNLOAD, LOCK or PID, you can use Harvard Graphics or similar software from the "Hardware Device Driver" category. In the File menu, look for Save As… or Export….
To convert DEVICE, CACHE, SOCK, SYMLINK, PID, MOUNT, FIFO, LOG, PIPE, TMP, JUNCTION or TEMP files to EX3, try Harvard Graphics or another comparable tool in the "Hardware Device Driver" 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 EX3 converter.