Click the "Select File" button above, and choose your MSP file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.
Convert MSP to another file type
The converter easily converts your MSP patches to various formats - free and online. No Windows Installer or or other System software needed.
MSP to PDF
MSP to OTB
MSP to RPPM
MSP to WBM
MSP to PI1
MSP to GREY
MSP to 89I
MSP to GRB
MSP to 73I
MSP to 82I
MSP to DIS
MSP to GBR
Convert a file to MSP
To convert other file formats to the "Software Patch File" file type, you need software like Windows Installer or a similar tool.
About MSP files
An .MSP file is primarily a Windows Installer Patch file. It contains updates, bug fixes, or security patches for applications installed via a Microsoft Software Installation (MSI) package. The file utilizes the Microsoft Compound format to bundle internal CAB archives and metadata instructions. Secondarily, the .MSP extension represents legacy 1-bit monochrome bitmap images created by early versions of Microsoft Paint, or mass spectrometry data files used by the NIST Mass Spectral Library.
The primary disadvantage of Windows Installer .MSP files is their opacity. They are proprietary, executable-like containers that do not natively allow users to inspect their contents without installation. If you want to extract the updated files bundled inside without actually applying the patch, you must use command-line parameters or specialized database tools like Orca. Legacy image .MSP files face a different problem: they are entirely obsolete. Modern web browsers, mobile devices, and most image viewers cannot decode them. NIST mass spectral data is heavily siloed into scientific software like MZmine 2.
To bypass these limitations, extraction and conversion are necessary. For software patches, extracting the contents to CAB or raw directories allows for inspection and administrative deployments. For legacy images, you must convert to PNG or WebP for web display, or JPG for broad sharing. Archiving is best done in .PDF/A. Drag and drop your file to analyze and convert it securely right in your browser.
Use Convert.Guru to open and convert your MSP file.
If you want to convert MSP file to MSI, MGF, EXE, JS, TS, PY, JAVA, CPP, C, CS or PHP, you can use Windows Installer or similar software from the "Application Patch Update" category. In the File menu, look for Save As… or Export….
To convert SH, PY, KT, PS1, SWIFT, LUA, PL, JAVA, SCALA, JS, VBS or TS files to MSP, try Windows Installer or another comparable tool in the "Application Patch Update" category.
The MSP 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 MSP converter.