EV1 File Extension

EV1 file icon
Calendar Commander Version 1 Event
  • Developer
    Briggs Softworks
  • Popularity
    5 (1 votes)

What is EV1 file?

Full format name of files that use EV1 extension is Calendar Commander Version 1 Event. Briggs Softworks defined the Calendar Commander Version 1 Event format standard. EV1 files are supported by software applications available for devices running Windows. Files with EV1 extension are categorized as Settings Files files. The Settings Files subset comprises 1087 various file formats. The software recommended for managing EV1 files is Calendar Commander. On the official website of Briggs Softworks developer not only will you find detailed information about theCalendar Commander software, but also about EV1 and other supported file formats.

Programs which support EV1 file extension

The following listing features EV1-compatible programs. EV1 files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support EV1 file

How to open file with EV1 extension?

Problems with accessing EV1 may be due to various reasons. What is important, all common issues related to files with EV1 extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. We have prepared a listing of which will help you resolve your problems with EV1 files.

Step 1. Install Calendar Commander software

The most common reason for such problems is the lack of proper applications that supports EV1 files installed on the system. The solution to this problem is very simple. Download Calendar Commander and install it on your device. The full list of programs grouped by operating systems can be found above. The safest method of downloading Calendar Commander installed is by going to developer’s website (Briggs Softworks) and downloading the software using provided links.

Step 2. Update Calendar Commander to the latest version

If you already have Calendar Commander installed on your systems and EV1 files are still not opened properly, check if you have the latest version of the software. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. If you have an older version of Calendar Commander installed, it may not support EV1 format. The latest version of Calendar Commander should support all file formats that where compatible with older versions of the software.

Step 3. Assign Calendar Commander to EV1 files

If you have the latest version of Calendar Commander installed and the problem persists, select it as the default program to be used to manage EV1 on your device. The method is quite simple and varies little across operating systems.

The procedure to change the default program in Windows

  • Clicking the EV1 with right mouse button will bring a menu from which you should select the Open with option
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • Finally select Look for another app on this PC, point to the folder where Calendar Commander is installed, check the Always use this app to open EV1 files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

  • By clicking right mouse button on the selected EV1 file open the file menu and choose Information
  • Open the Open with section by clicking its name
  • Select Calendar Commander and click Change for all...
  • If you followed the previous steps a message should appear: This change will be applied to all files with EV1 extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the EV1 is not faulty

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper EV1 file. Being unable to access the file can be related to various issues.

1. The EV1 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 EV1 file hinders attempts to open it. Scan the EV1 file as well as your computer for malware or viruses. If the EV1 file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

If the EV1 file was sent to you by someone else, ask this person to resend the file to you. 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. If the EV1 file has been downloaded from the internet only partially, try to redownload it.

3. Ensure that you have appropriate access rights

Sometimes in order to access files user need to have administrative privileges. Log in using an administrative account and see If this solves the problem.

4. Verify that your device fulfills the requirements to be able to open Calendar Commander

The operating systems may note enough free resources to run the application that support EV1 files. Close all running programs and try opening the EV1 file.

5. Verify that your operating system and drivers are up to date

Latest versions of programs and drivers may help you solve problems with Calendar Commander Version 1 Event files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with EV1 files affecting older versions of given software.

Do you want to help?

If you have additional information about the EV1 file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on EV1 file.

Top File Extensions
Show more
File Extension of the day
ods icon


OpenDocument Spreadsheet

Files with the .ODS extension contain compressed spreadsheet files, stored in an open format based on XML . The ODS standard, which is an element o...