File Extension Library


.MN9 File Extension

  • Developer by: Microsoft Corporation
  • Category: Accounting, financial and tax Files

What are .MN9 files and how to open them?

Can't open .MN9 file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .MN9 file.

What is a .MN9 file extension?

.MN9 file extension is created by Microsoft Corporation. .MN9 has been classified as Accounting, financial and tax Files.

.MN9 is Microsoft Money 2001 data

The mn9 file extension is associated with Microsoft Money, a personal finance management software, developed by Microsoft Corporation. As of 2010, the product is officially discontinued and no longer supported by Microsoft.

The .mn1 to .m16 files are created when you install a new version of Microsoft Money. As part of the conversion process, it creates a backup copy of your unconverted file. The file uses the relevant extension to the version it was last used in. These files are not required for Money to run, but you should be sure you will never revert to an older version of Money again before you delete them. Only these files can be opened in the previous version of Money, not the MNY file.

.MN9 file format is deprecated and this file format is no longer supported.

Currently, .MN9 file type is not actively used and is obsolete. This usually happens with system files in older operating systems, files from long-discontinued software, or with previous versions of some file types (documents, projects, images, etc.) that were replaced in later versions of the original programs.


How to open:

You can open *.mn9 data files in Microsoft Money.

How to convert:

It should be possible to export these data files to other formats.

How to fix problems with .MN9 files

  1. You need to update the application that you normally use to open .MN9 files. Only the latest version of the software supports the current .MN9 file format
  2. You need to check the .MN9 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)