Best Programs to Convert XLSX to MPP
If you want a reliable and accurate XLSX to MPP conversion, then Microsoft Project is the right choice. After conversion, the new MPP file can be opened and changed with other software.

Windows
What is file format conversion?
File format conversion is the process of changing a file from one format to another to ensure compatibility with software, systems, or devices, while keeping the structural content of the file intact.
The purpose of file format conversion is to adapt the XLSX file to the requirements of the intended software or device that is not compatible with the original format. By supporting multiple formats, users can use XLSX files effectively, ensuring compatibility and enabling fluid exchange of information between different platforms.
Specially developed programs and online tools are created to handle file format conversion effectively. With an intuitive interface, these tools let users easily select the XLSX file, specify the MPP format, and start the conversion.
How to convert the XLSX file to MPP?
With the conversion software installed on your computer, you can now convert the XLSX file to MPP format. File conversion is usually a simple process that follows a similar pattern. Changing the XLSX file format is easy if you follow these steps:
- Identify the location of the XLSX file you want to convert on your computer;
- Start the conversion process by opening Microsoft Project or an alternative conversion app;
- Add the XLSX file to the converter for processing;
- Indicate that the output format must be MPP;
- Choose the directory or folder on your drive where you want to save the converted MPP file;
- Click the confirmation button to start the conversion and wait for it to finish.
At the end of the conversion, navigate to the location you selected in step 5 to find the converted MPP file.
About the formats
| Extension | XLSX |
|---|---|
| File Type | Microsoft Excel Open XML Spreadsheet |
| Category | Spreadsheet Files and Data Files |
| Developed by | Microsoft |
| Format | Zip |
| MIME types | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| HEX code | 50 4B 03 04 |
| ASCII code | PK |
| Extension | MPP |
|---|---|
| File Type | Microsoft Project Format |
| Category | Data Files |
| Developed by | Microsoft |
| Format | Binary |
| MIME types | application/mpp, application/msproj, application/msproject, application/vnd.ms-project, application/x-dos_ms_project, application/x-ms-project, application/x-msproject, zz-application/zz-winassoc-mpp |
| HEX code | - |
| ASCII code | - |
Easy XLSX Troubleshooting
If you’re having trouble opening XLSX files, we can provide a set of common solutions that are often effective:
- Take the first step by requesting a resubmission of the original XLSX file, as it could have been damaged during its transfer;
- It may be worth trying to download a different variant of the file from the Internet that matches your platform requirements;
- It is often the case that the file you require has been converted to a MPP and made available online for you to find.

