TAC file icon

TAC File Extension

ActiCalc Data Format
  • Developer
    ActiCalc
  • Category
  • Popularity
    3 (5 votes)

What is TAC file?

TAC filename suffix is mostly used for ActiCalc Data Format files. ActiCalc Data Format format was developed by ActiCalc. TAC files are supported by software applications available for devices running Windows. Files with TAC extension are categorized as Data Files files. The Data Files subset comprises 1326 various file formats. The most popular software that supports TAC files is ActiCalc.

Programs which support TAC file extension

Below is a table that list programs that support TAC files. TAC files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support TAC file

Windows Windows

How to open file with TAC extension?

Being unable to open files with TAC extension can be have various origins. What is important, all common issues related to files with TAC extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the ActiCalc

Install software to open TAC file The main and most frequent cause precluding users form opening TAC files is that no program that can handle TAC files is installed on user’s system. The solution is straightforward, just download and install ActiCalc. Above you will find a complete listing of programs that support TAC files, classified according to system platforms for which they are available. One of the most risk-free method of downloading software is using links provided by official distributors. Visit ActiCalc website and download the installer.

Step 2. Update ActiCalc to the latest version

Update software that support file extension TACIf the problems with opening TAC files still occur even after installing ActiCalc, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of ActiCalc is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why TAC files are not compatible with ActiCalc. The latest version of ActiCalc should support all file formats that where compatible with older versions of the software.

Step 3. Assign ActiCalc to TAC files

After installing ActiCalc (the most recent version) make sure that it is set as the default application to open TAC files. The method is quite simple and varies little across operating systems.

Associate software with TAC file on Windows

Change the default application in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the TAC file
  • Click Choose another app and then select More apps option
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where ActiCalc is installed. Now all that is left is to confirm your choice by selecting Always use this app to open TAC files and clicking OK.
Associate software with TAC file on Mac

Change the default application in Mac OS

  • From the drop-down menu, accessed by clicking the file with TAC extension, select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • From the list choose the appropriate program and confirm by clicking Change for all....
  • Finally, a This change will be applied to all files with TAC extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Ensure that the TAC file is complete and free of errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the TAC file in question. Being unable to access the file can be related to various issues.

Check TAC file for viruses
1. Check the TAC file for viruses or malware

Should it happed that the TAC is infected with a virus, this may be that cause that prevents you from accessing it. Scan the TAC file as well as your computer for malware or viruses. TAC file is infected with malware? Follow the steps suggested by your antivirus software.

2. Ensure the file with TAC extension is complete and error-free

Did you receive the TAC file in question from a different person? Ask him/her to send it one more time. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. If the TAC file has been downloaded from the internet only partially, try to redownload it.

3. Check if the user that you are logged as has administrative privileges.

Some files require elevated access rights to open them. Log out of your current account and log in to an account with sufficient access privileges. Then open the ActiCalc Data Format file.

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

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

5. Check if you have the latest updates to the operating system and drivers

Latest versions of programs and drivers may help you solve problems with ActiCalc Data 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 TAC files.

Do you want to help?

If you have additional information about the TAC 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 TAC file.

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