Click the "Select File" button above, and choose your 210 file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert 210 to another file type
To convert your 210 file to another format, you need ASUS EZ Flash or other System software.
Convert a file to 210
To convert other file formats to the "Firmware Image" file type, you need software like ASUS EZ Flash or a similar tool.
About 210 files
The .210 extension is a shared filename used primarily in two completely different environments: system firmware and international taxation.
First, and most commonly, it represents a BIOS Firmware Update for ASUS motherboards and laptops. These are binary system files meant to be read by hardware utilities like ASUS EZ Flash to update the basic input/output system. The main "friction" here is that users often try to open them like standard documents, resulting in garbled text. These files are strictly for flashing hardware; however, in some recovery scenarios, technical users may need to rename them to BIN or ROM to be recognized by generic EPROM programmers.
Second, the extension identifies the Modelo 210 form generated by the Spanish Agencia Tributaria (AEAT) for non-resident income tax returns. These files contain sensitive fiscal data formatted for electronic submission. The problem users face is that the file is generated by the pre-declaración software and is not inherently human-readable or printable. Users invariably need to convert this data into a standard PDF for physical archiving, proof of payment, or email sharing. Using a conversion tool allows you to visualize the obscure XML or text-based data inside the .210 wrapper as a clean, formatted document.
Convert.Guru analyzes your 210 file, detects the exact format, and lets you read the text inside.
If you want to convert 210 file to [% faq_exts_to %], you can use ASUS EZ Flash or similar software from the "Firmware Update & Tax Data" category. In the File menu, look for Save As… or Export….
To convert [% faq_exts_from %] files to 210, try ASUS EZ Flash or another comparable tool in the "Firmware Update & Tax Data" category.
The 210 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 210 converter.