Convert ATT files online for free
The converter easily converts your ATT file to various formats - free and online. No AutoCAD or extra software needed.
The converter also works in reverse, so you can convert other Data formats to ATT with high quality output.
The .att file extension is a generic placeholder often referred to as 'Web Form Post Data,' but it frequently appears as a byproduct of email system errors. In its primary technical form, an ATT file contains plain text results from a web form submission (using the POST method), storing data as key-value pairs (e.g., Field1=Value). However, users most commonly encounter these files as ATT00001.att attachments generated by Microsoft Outlook or Exchange Server when there is a MIME encoding mismatch. In these cases, the file is actually a renamed legitimate document (like a PDF, JPG, or DOCX) or a detached HTML message body. Less frequently, it may be a traffic simulation file for PTV Vissim or a report from Meta4 business software.
The main challenge with ATT files is their ambiguity; the operating system does not know which software to launch, often defaulting to a text editor which displays illegible binary code if the file is actually an image or PDF. To resolve this, users need to identify the file's true nature. For text-based form data, converting to PDF or TXT ensures the information is readable and archivable. If the file is a mislabeled email attachment, a smart converter can analyze the file header to determine if it should be restored to JPG, PNG, or PDF. Convert.guru simplifies this by instantly identifying the underlying format and converting it to a usable standard.
Use Convert.Guru to open and convert your ATT file.
Users also converted ATT00001, ATT00002, ATT00003, HTM, DAT, ATT00004, ATT0002, ATTACHCTRL, JPEG, ATT1XWWP, GETMAILATT, JPG and TXT files.
If you want to convert ATT file to DWG, DXF, DGN, RVT, RFA, SKP, 3DM, STEP, IGES, SAT or X_T, you can use Notepad++ or similar software from the "Web Form Post Data" category. In the File menu, look for Save As… or Export….
To convert SLDASM, DGN, PRT, IAM, X_B, CATPRODUCT, SLDPRT, RVT, ASM, DWG, CATPART or DXF files to ATT, try Notepad++ or another comparable tool in the "Web Form Post Data" 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 ATT converter.