CONTACTS File Extension

What is CONTACTS file?

Full format name of files that use CONTACTS extension is Contact Format. Files with CONTACTS extension may be used by programs distributed for Windows platform. CONTACTS file belongs to the Misc Files category just like 6033 other filename extensions listed in our database. The most popular software that supports CONTACTS files is Microsoft Windows. Software named Microsoft Windows was created by Microsoft Corporation. In order to find more detailed information on the software and CONTACTS files, check the developer’s official website.

Programs which support CONTACTS file extension

The following listing features CONTACTS-compatible programs. Files with CONTACTS extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Updated: 10/23/2020

How to open file with CONTACTS extension?

Problems with accessing CONTACTS may be due to various reasons. Fortunately, most common problems with CONTACTS files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install Microsoft Windows software

Problems with opening and working with CONTACTS files are most probably having to do with no proper software compatible with CONTACTS files being present on your machine. The solution is straightforward, just download and install Microsoft Windows. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. If you want to download Microsoft Windows installer in the most secured manner, we suggest you visit Microsoft Corporation website and download from their official repositories.

Step 2. Update Microsoft Windows to the latest version

If the problems with opening CONTACTS files still occur even after installing Microsoft Windows, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Microsoft Windows is available. Software developers may implement support for more modern file formats in updated versions of their products. If you have an older version of Microsoft Windows installed, it may not support CONTACTS format. The most recent version of Microsoft Windows is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign Microsoft Windows to CONTACTS files

If you have the latest version of Microsoft Windows installed and the problem persists, select it as the default program to be used to manage CONTACTS on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

The procedure to change the default program in Windows

• Right-click the CONTACTS file and choose Open with option
• Select Choose another app → More apps
• The last step is to select Look for another app on this PC option supply the directory path to the folder where Microsoft Windows is installed. Now all that is left is to confirm your choice by selecting Always use this app to open CONTACTS files and clicking OK.

The procedure to change the default program in Mac OS

• By clicking right mouse button on the selected CONTACTS file open the file menu and choose Information
• Find the Open with option – click the title if its hidden
• Select the appropriate software and save your settings by clicking Change all
• A message window should appear informing that This change will be applied to all files with CONTACTS extension. By clicking Continue you confirm your selection.

Step 4. Verify that the CONTACTS is not faulty

Should the problem still occur after following steps 1-3, check if the CONTACTS file is valid. Being unable to access the file can be related to various issues.

1. The CONTACTS may be infected with malware – make sure to scan it with an antivirus tool.

If the file is infected, the malware that resides in the CONTACTS file hinders attempts to open it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. CONTACTS file is infected with malware? Follow the steps suggested by your antivirus software.

2. Check whether the file is corrupted or damaged

Did you receive the CONTACTS file in question from a different person? Ask him/her to send it one more time. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. It could happen the the download process of file with CONTACTS extension was interrupted and the file data is defective. Download the file again from the same source.

3. Ensure that you have appropriate access rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Make sure that the system has sufficient resources to run Microsoft Windows

If the system is under havy load, it may not be able to handle the program that you use to open files with CONTACTS extension. In this case close the other applications.

5. Ensure that you have the latest drivers and system updates and patches installed

Latest versions of programs and drivers may help you solve problems with Contact Format files and ensure security of your device and operating system. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle CONTACTS files.

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