MLB file: How can I open a .MLB file?
The table below provides useful information about the .mlb file extension. It answers questions such as:
- What is the .mlb file?
- What program do I need to open a .mlb file?
- How can the .mlb file be opened, edited or printed?
- How can I convert .mlb files to another format?
We hope you find this page helpful and a valuable resource.
✅ Lotus Symphony Macro Library

The MLB file is a Lotus Symphony Macro Library. Lotus Symphony is a suite of applications for creating, editing, and sharing text, spreadsheet, presentations and other documents.
✅ FoxPro 2 for Macintosh Library

The MLB file is a FoxPro for Macintosh Library. FoxPro is a text-based procedurally-oriented programming language and DBMS, originally published by Fox Software and later by Microsoft, for MS-DOS, MS Windows, Apple Macintosh, and UNIX.
✅ Milestones Professional 2008 Project

The MLB file is a Milestones Professional 2008 Project. Milestones Professional is a project scheduling software developed by KIDASA Software, Inc.
✅ HP OpenVMS Macro Library

The MLB file is a HP OpenVMS Macro Library. HP OpenVMS features high-availability, scalability, security, industry-leading cluster technology and enhanced flexibility for large-scale SMP systems.
✅ MultiLedger Ship Via Data

The MLB file is a MultiLedger Ship Via Data. MultiLedger is a multi-user, cross-platform accounting software.
✅ PeachText List Manager Data

The MLB file is a PeachText List Manager Data. PeachText is a word processing software package.
✅ MyLabel Designer Deluxe Project

The MLB file is a MyLabel Designer Deluxe Project. MyLabel Designer Deluxe is a solid label creator program developed by Avanquest Software.
✅ Windows Mobile Media Library

The MLB file is a Windows Mobile Media Library. Windows Mobile is a discontinued family of mobile operating systems developed by Microsoft for smartphones and Pocket PCs.
⚠ Be careful with .mlb files.
It's important to know that the .mlb file extension can be used by various programs, not just the ones you expect. This includes potentially harmful software or malware that might create .mlb files. Be cautious when dealing with .mlb files from unknown sources.
🚫 The .mlb file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .mlb file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Select an app to open this .mlb file
It means that the operating system does not have a default app associated with the .mlb file type. To resolve this issue and open the file, you can take the following steps:
- Right-click on the .mlb file. A context menu will appear.
- From the context menu, select Open with. Windows will display a list of recommended apps.
- If the desired app is listed, select it from the provided options.
- If you cannot find the appropriate app, you may need to install software that supports the specific file type.
If you don't know how to change the default app for the .mlb file, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. The extension of a file serves as a hint to the operating system and various software programs about the type of data contained within the file. When you alter a file's extension, you essentially modify how software applications interpret and handle that file. Every file has a specific format, also known as its file type or file format. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .mlb file extension, write to us.