OWT File Extension

What is OWT file?

OWT is a file extension commonly associated with Ancestry.com OneWorldTree files. Ancestry.com Inc. defined the Ancestry.com OneWorldTree format standard. OWT files are supported by software applications available for devices running Windows. OWT file format, along with 6033 other file formats, belongs to the Misc Files category. Family Tree Maker is by far the most used program for working with OWT files. Software named Family Tree Maker was created by Ancestry.com Inc.. In order to find more detailed information on the software and OWT files, check the developer’s official website.

Programs which support OWT file extension

Below is a table that list programs that support OWT files. Files with OWT suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

How to open file with OWT extension?

Being unable to open files with OWT extension can be have various origins. Fortunately, most common problems with OWT 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 Family Tree Maker software

Problems with opening and working with OWT files are most probably having to do with no proper software compatible with OWT files being present on your machine. The solution is straightforward, just download and install Family Tree Maker. The full list of programs grouped by operating systems can be found above. The safest method of downloading Family Tree Maker installed is by going to developer’s website (Ancestry.com Inc.) and downloading the software using provided links.

Step 2. Update Family Tree Maker to the latest version

If the problems with opening OWT files still occur even after installing Family Tree Maker, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Family Tree Maker is available. Software developers may implement support for more modern file formats in updated versions of their products. The reason that Family Tree Maker cannot handle files with OWT may be that the software is outdated. The latest version of Family Tree Maker should support all file formats that where compatible with older versions of the software.

Step 3. Associate Ancestry.com OneWorldTree files with Family Tree Maker

After installing Family Tree Maker (the most recent version) make sure that it is set as the default application to open OWT files. 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 OWT 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 Family Tree Maker is installed. Now all that is left is to confirm your choice by selecting Always use this app to open OWT files and clicking OK.

The procedure to change the default program in Mac OS

• Right-click the OWT file and select Information
• Open the Open with section by clicking its name
• 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 OWT extension message should pop-up. Click Continue button in order to confirm your choice.

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

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 OWT file. Being unable to access the file can be related to various issues.

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

Should it happed that the OWT is infected with a virus, this may be that cause that prevents you from accessing it. Scan the OWT file as well as your computer for malware or viruses. If the OWT file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

If you obtained the problematic OWT file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. It could happen the the download process of file with OWT 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

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the Ancestry.com OneWorldTree file again.

4. Verify that your device fulfills the requirements to be able to open Family Tree Maker

If the systems has insufficient resources to open OWT files, try closing all currently running applications and try again.

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

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Ancestry.com OneWorldTree files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle OWT files.

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