File Extension Library

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.W40 File Extension

  • Developer by: Microsoft Corporation
  • Category: Backup Files

What are .W40 files and how to open them?

Can't open .W40 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 .W40 file.

What is a .W40 file extension?

.W40 file extension is created by Microsoft Corporation. .W40 has been classified as Backup Files.

.W40 is Microsoft Windows 95 backup

The w40 file extension is associated with Windows 95 operating system.

The w40 files are used for backup purposes.

Most likely some old format without support. No further information could be found.

.W40 file format is deprecated and this file format is no longer supported.

Currently, .W40 file type is not actively used and is obsolete.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:

Use compatible tools to work with *.w40 files.

How to convert:

As far as we know, this .w40 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to fix problems with .W40 files

  1. You need to update the application that you normally use to open .W40 files. Only the latest version of the software supports the current .W40 file format
  2. You need to check the .W40 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)
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