since 2000
Opening a CONTACTS File
The CONTACTS file type is primarily associated with Contacts App.
What is a CONTACTS file
CONTACTS files mostly belong to Contacts App. CONTACTS files store contact information such as names, phone numbers, and addresses. The internal structure varies, so the way the data is packaged influences how you open and view the file.
ZIP Format: One common type uses a ZIP container. These files are compressed archives that typically hold an address book for mobile devices like iOS or Android. They are often used by services like those linked with Google Contacts. JSON Format: Another type uses JSON, a structured text format. This type holds a phone contacts list and is associated with applications such as Contacts+. More details can be found on the Contacts+ website. UTF-16 (LE) Format: Some files store contact details as a text file encoded in UTF-16. This format supports international characters and yields an address book file that is editable with text editors. PNG Format: A smaller group uses the PNG image format to hold digital phone contact lists. These files are used by apps like Samsung Contacts and may display the contact info as an image. FilExt.com notes: The functionality of a CONTACTS file depends on its internal format. To open these files, use an archive extractor for ZIP, a text editor or JSON viewer for JSON/UTF-16, and an image viewer for PNG. This variation makes CONTACTS files flexible for backup, sharing, and restoring contact data.
How to open a CONTACTS file
You need a suitable software like Contacts App to open a CONTACTS file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your CONTACTS file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CONTACTS file directly in the browser:. Just drag the file onto this browser window and drop it.
Online CONTACTS Text Viewer
or drag and drop it here
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Programs that open and convert CONTACTS files:
- Contacts App
See the previous paragraphs to learn more about the main application. CONTACTS files are often referred to as Contacts App data files because this type of file is primarily created or used by this software.
- Google ContactsA .CONTACTS file is an address book file format primarily used by Google Contacts, often containing contact details, phone numbers, email addresses, and other related information. It's commonly stored as a zipped archive, making it portable between iOS and Android devices. While the .CONTACTS file extension itself isn't standardized, it often leverages internal formats like JSON or UTF-16 to structure the contact data within the archive. This file format is classified as Data File.
CONTACTS file format:
Each file has a definite file format, that is, how the stored data is arranged in the file. The file format can be determined based on the file extension and the signature (the first few characters of a file). Frequently, however, one file extension is used by different programs for different file formats, and one file format for different file extensions. Knowledge is power - this also applies when dealing with unknown or faulty files. In the following you will find our evaluation of the CONTACTS files:
CONTACTS is rarely used as a file extension and includes different formats for different programs. The two most popular formats are as follows:
- 30% of all CONTACTS files are based on the zip format, so several files are combined and compressed into one CONTACTS file. 7 to 8 compressed files with names like Contacts_1.plist are common. You can see the included files and images by renaming the file extension to .zip and then double-clicking it. The files are 5 KB to 300 KB in size, with a median of 89 KB. Certain words are almost always found in the files, such as Contacts_0.plist. The file name iPhone_2020_06_01 10_30.contacts or com.android.contacts is characteristic of these files. These files are attributed to phone and android.
- 10% of all CONTACTS files store the data in the PNG file format. PNG is short for Portable Network Graphics. It is a high-quality raster image file that supports lossless data compression. The contents of these files cannot be read by a human; only a computer program can interpret the data. The files are on average 7 KB in size and range from 4 KB to 12 KB. Certain words are almost always found in the files, such as IHDR, sRGB, sBIT and IDATx. An example of a file name is com.samsung.android.app.contacts. Files like these have the following tags: samsung.
The remaining 60% of all CONTACTS files are different files with different signatures, often e.g. JSON, UTF-16 (LE) and BEGIN. Drag & drop your file here to see the file format and a preview of your CONTACTS file!
Technical Data for CONTACTS File Extension
File classification:
Data
a contacts data file is a special file format and should only be edited and saved with the appropriate software.
How to solve problems with CONTACTS files
- Associate the CONTACTS file extension with the correct application.
- Update your software that should actually open data files. Because only the current version supports the latest CONTACTS file format. Search, therefore, e.g. on the manufacturer website after an available Contacts App update.
- To make sure that your CONTACTS file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
- Click here to open your .CONTACTS file online - secure, fast, and no downloads needed.