On the Files tab you can configure which file types OpenIn should handle and how. You can work with the group of files or individual file types.

Grouping file types can be useful if you want to configure the same apps and rules for a set of file extensions, like video or picture files.

Enabled

If you aren’t planning to use OpenIn for handling file types on your Mac, you can disable it completely, so OpenIn will not try to check if other apps are set as default for handling Web links.

Group specific configurations

• Name - you can set custom name for the Groups
• File types - you can configure which file types this group should support.

On the list of File Types you can move specific file type to a group.

Applications

Remove all applications

OpenIn automatically discovers applications that can be used for specific file types on your system. You can remove all applications and rebuild the list on your own.

Add application…

OpenIn shows a dialog with all the applications that can be used for specific file types found on your system, if you are planning to rewrite the URL to a different scheme, you can add it here.

Select applications from the Add applications list and press Add to add them to the list of the applications for the Tel Apps.

You can add the same application more than once, that helps for example to configure them differently.

Order of the applications

OpenIn uses the defined order of the applications, when it shows the App Selection menu, when you click the link. You can change the order by dragging applications by ≋.

Edit application

Based on the type of the application, you might see slightly different configurations.

• Name - you can give any name to the application, it does not change the name of the app on the system.
• Icon overlay - you can add an icon overlay, this is useful if you, for example, add the same application with different configurations

Path Rewrite

Instead of opening current file, you can send the parent folder. That can be useful, when you try to open .xcodeproj in Sublime Text.app editor and open the containing folder instead of just opening the project file.

Launch Configurations

You can configure how OpenIn launches the application

• New instance - Whether you want the system to launch a new instance of the app.
• Adds To Recent Items - Whether to add the app or documents to the Recent Items menu, if application supports that.
• Activates - Whether the system activates the app and brings it to the foreground. You can uncheck that to launch URL in background.
• Hides - Whether you want the app to hide itself after it launches.
• Hides Others - Whether you want to hide all apps except the one that launched.

Rules

Rules help you to organize how OpenIn uses selected applications. If no rules are defined, it will show the selected apps in the App Selection menu, when you open specific file extension. Similar if no rules match conditions, OpenIn will just show the list of the applications from above.

In the list you can edit or remove rules.

Order of the rules

Order of the rules matters. OpenIn goes from first rule of the list to next one, and verifying if the conditions are met. The first that matches conditions will be executed. You can change the order of the rules by dragging ≋.

Edit rule

You can configure the Name of the Rule to help you identify it. If you aren’t satisfied with the rule yet, you can Disable it, while trying to figure out what works best for you.

Conditions

You have several conditions to configure. If you have specified multiple conditions they will work as AND, except multiple path matches and multiple sent from apps are executed as OR in those lists.

Execute when

• With key Modifiers - you can configure this rule to execute only when those key modifiers are pressed, when you open a file.

Execute with Focus

OpenIn can be configured based on the selection of System Focus. OpenIn cannot read which focus is set, but you can configure Focus Hints parameters that you can use with the Focus editor in the System Settings. And when Focus Hint matches the one configured in the rule, this rule will be executed.

To learn more, please review Tutorial: Configuring rules based on the Focus selected in macOS system.

Matches paths

You can add one or more path matches. In case if you configured multiple path matches just one of them needs to be matched. Use * for matching.

Sent from apps

You can configure the to execute this rule only when file is opened from a specific application. In case if you configured multiple applications in this list, just one of them needs to be matched.

Use applications

You can configure how this Rule shows applications defined for in the list of applications.

• All - all applications from the list will be used
• All (running) - only running applications will be showed. If none of the applications are running, this rule is skipped.
• Selected - only applications that you have selected in the list will be used.
• Selected (running) - only running applications, that you have selected in the list will be used. If none of the applications are running, this rule will be skipped.

Custom script

You can define you custom JavaScript to change the file paths or select the apps on your own custom condition.

For learning more about what objects are available, please read 08. JavaScript Editor for Rules.