Click the "Select File" button above, and choose your SNMM file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert SNMM to another file type
To convert SNMM backups to another format, you need Samsung Notes or other Backup software.
Convert a file to SNMM
To convert other file formats to the "Notes Backup Archive" file type, you need software like Samsung Notes or a similar tool.
About SNMM files
The .SNMM file extension primarily represents a Samsung Notes Backup or metadata file used by the Samsung Notes application. These files are typically generated when users back up their mobile device data using Samsung Smart Switch. The biggest disadvantage of the .SNMM format is its heavily restricted ecosystem. It is proprietary and locked to Samsung devices. You cannot natively open this file on Apple devices, macOS, or standard Windows environments without specific Samsung software. It does not open in standard word processors. Standard online converters usually fail because this is a closed, internal format that requires the original app environment to correctly render the text, vector strokes, and embedded audio. However, technical analysis reveals that roughly 87% of .SNMM files are simply ZIP archives disguised with a custom extension, while the remaining files operate as proprietary internal metadata. Because of this underlying structure, users often need to extract the data rather than directly convert it. This file format is notoriously difficult to open or convert directly. Often, only the original Samsung software can properly read or export the structured data into usable formats like PDF or DOCX. Our engine can inspect the file, unmask the hidden ZIP structure, and often extract embedded media or raw text from the archive.
Convert.Guru analyzes your SNMM file, detects the exact format, and lets you read the text inside.
If you want to convert SNMM file to BAK, BACKUP, OLD, TMP, TEMP, ARC, ZIP, TAR, GZ, 7Z, RAR or ISO, you can use Samsung Notes or similar software from the "Samsung Notes Data Backup" category. In the File menu, look for Save As… or Export….
To convert SNAPSHOT, OLD, IMG, RESTORE, ISO, COPY, VMDK, TMP, VHD, BAK, ARCHIVE or BACKUP files to SNMM, try Samsung Notes or another comparable tool in the "Samsung Notes Data Backup" category.
The SNMM 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 SNMM converter.