CONTACT File Extension

Windows Contact File
- File Type contact
- Developer Microsoft
- Popularity
- Application Microsoft Windows 10
- Category Settings Files
- Format Binary
What is a CONTACT file?
Windows Contact File, identified by the CONTACT extension, is a Settings Files type and includes 1190 files.
The Windows Contact File (CONTACT) was created by Microsoft, a company that developed file format and produced 242 programs for their use.
CONTACT files are compatible with various operating systems, including Windows. If you need to open a CONTACT file, you can use one of 6 programs, such as Microsoft Windows 10, Windows Live Mail and Microsoft Windows Vista.
File Signature
HEX code: 3C 3F 78 6D 6C 20 76 65 72 73 69 6F 6E 3D 22 31 2E. ASCII code: ?xml version=.
Programs that support CONTACT files
How to open a CONTACT file?
If you’re having difficulty opening a CONTACT file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.
Microsoft Windows 10, Windows Live Mail and Microsoft Windows Vista are recognized as the most popular software solutions for dealing with CONTACT files. To install the most up-to-date edition of Microsoft Windows 10, visit the official Microsoft website. You can download the build that works across all operating systems.
After successful installation, your operating system should seamlessly handle CONTACT files via Microsoft Windows 10.
Set Microsoft Windows 10 as your default CONTACT viewer
Setting a default program by file type in Windows
- Right-click your CONTACT file, then navigate to the "Open With" option and click "Choose Another Application" to continue;
- From the list of applications in the pop-up window, find and select Microsoft Windows 10 as your desired application;
- Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening CONTACT files.
Set default app to open files on Mac
- Right-click or Control + left-click on the desired CONTACT file to open a menu of available actions;
- Select "Open in application" and click "Other";
- Go to the lower section of the window, where you will find the "Enable" menu. By default, it is set to "Recommended Programs";
- Select "All Programs" from this menu and proceed to search for Microsoft Windows 10. Check the box next to "Always open in app" to set it as the default option.
How to edit a CONTACT file?
Editing CONTACT files requires installing professional software that lets you open and edit settings files. Online editors have more limitations compared to dedicated Windows Contact File programs.
List of Top CONTACT editors 2026
With the mentioned criteria in mind, we have assembled a selection of CONTACT editors.
| CONTACT Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Microsoft Windows 8 | Microsoft | Windows | 4.8 out of 5 (40 reviews) |
| Windows Mail | Microsoft | Windows | 4.8 out of 5 (40 reviews) |
| Microsoft Windows 10 | Microsoft | Windows | 4.5 out of 5 (41 review) |
| Microsoft Windows Vista | Microsoft | Windows | 4.4 out of 5 (40 reviews) |
| Windows Live Mail | Microsoft | Windows | 4.3 out of 5 (41 review) |
| Microsoft Windows 7 | Microsoft | Windows | 4.2 out of 5 (42 reviews) |
Solving Common CONTACT File Challenges
CONTACT files may present some challenges, but most can be easily addressed with minor software tweaks. See the troubleshooting tips below for guidance.
Are there any techniques or tools available to repair a damaged CONTACT file?
Open the damaged CONTACT file with a recovery program, and then select the "Repair" menu item to start the repair process. Wait for the recovery process to finish, as it will automatically repair damaged settings files.
What are the telltale signs of a corrupt CONTACT file?
Corrupted CONTACT settings files may show the following signs:
- Unexpected expansion of the total size of the CONTACT file;
- Opening or processing the file in Microsoft Windows 10 or other programs causes instability or crashes in the program;
- The file shows errors when trying to open it or does not open completely;
- While working with the file, error messages appear;
- Editing the archive in Microsoft Windows 10 is accompanied by slow performance or delays;
What factors contribute to Microsoft Windows 10 crash?
Microsoft Windows 10 crashes can occur due to outdated software versions. To mitigate this, install the latest updates for Microsoft products.
A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.







