Convert GoldMine and Gnumeric files (GNM) online for free
The converter easily converts your GNM files to various formats - free and online. No GoldMine CRM or or other Data software needed.
To convert other file formats to the "CRM Note Document" file type, you need software like GoldMine CRM or a similar tool.
The .GNM file extension primarily represents a GoldMine Note Document used by the GoldMine CRM software (see Wikipedia). These files store critical customer interaction logs, memos, and text data linked directly to specific client records within the database. A secondary, far less common use is the Gnumeric Spreadsheet, an open-source spreadsheet format created by the GNOME Project for its Gnumeric application.
The main disadvantage of the GoldMine .GNM format is its rigid, proprietary nature. It is designed exclusively for the GoldMine ecosystem, meaning users cannot open these notes natively on a mobile phone, web browser, or standard word processor. This creates massive friction during data migration or when sharing customer histories with external teams. Gnumeric spreadsheets face similar limitations, as industry-standard tools like Microsoft Excel refuse to open them without a pre-installed plugin or prior conversion.
To make this data accessible, conversion is mandatory. Converting a GoldMine .GNM to TXT, CSV, or PDF is the best approach for archiving plain text notes and ensuring universal readability. For Gnumeric spreadsheets, converting to XLSX or CSV prevents data lock-in and allows seamless collaboration.
This file format is exceptionally difficult to open or convert because it is a closed, proprietary file. Often, only the original CRM software can properly read or export the data with its relational context intact. Standard online converters fail to process it because they cannot interpret the proprietary CRM structure. However, convert.guru can still identify the file format, inspect the file, and show text or internal content. Just drag and drop your file to see what it is and convert it if supported. Because GoldMine .GNM files use an underlying ZIP container, our analysis can detect this embedded format, meaning viewing or conversion of the raw text inside may still be possible.
Use Convert.Guru to open and convert your GNM file.
Users also converted N1, BWG and TTN files.
If you want to convert GNM file to XLSM, XLSB, WK1 or WK3, you can use GoldMine CRM or similar software from the "CRM Data Storage" category. In the File menu, look for Save As… or Export….
To convert WQ1, XLSM, NOTES, QPW, WK3, WB2, WKS, XLSB, 123, XLS, WB1 or XLSX files to GNM, try GoldMine CRM or another comparable tool in the "CRM Data Storage" 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 GNM converter.