Open the New window to begin modeling using the Model Wizard or start with a Blank Model. See Creating a New Model.

For all users, this is available from the File menu. It is also available in the Quick Access Toolbar (Windows users) or the main toolbar (cross-platform users).

Start a new blank model without any settings. This command is available after choose File>New. It is also available on the Quick Access Toolbar (Windows users).

Move to the Application Builder. For Windows users, this is available in the Home toolbar, the Developer toolbar, and in the Quick Access Toolbar.

Move to the Model Builder. For Windows users, this is available in the Home toolbar and in the Quick Access Toolbar. For cross-platform users, this is available in the Model toolbar.

Move to the Model Manager. For Windows users, this is available in the Home toolbar and in the Quick Access Toolbar. For cross-platform users, this is available in the Model toolbar.

Add data and properties that can be modified from a running application. For Windows users this is available in the Developer toolbar. See Data Access in the Application Builder Reference Manual.

Record changes to the embedded model to a new method. For Windows users this is available in the Developer toolbar. See Recording Code in the Application Builder Reference Manual.

Launch the application in a separate window. For Windows users this is available in the Developer toolbar and in the Quick Access Toolbar. See Testing the Application in the Application Builder Reference Manual.

Run an application as a standalone application using a custom user interface. For all users, this is available from the File menu. It is also available in the Quick Access Toolbar (Windows users).

Open an existing file from the file system using the Open dialog box.

For all users, this is available from the File menu. It is also available in the Quick Access Toolbar (Windows users) or the main toolbar (cross-platform users).

Open an existing file located on the computer or in a database using the Open window (see The Open Window). From that window, you can also add and access databases.

For all users, this is available from the File menu. It is also available in the Quick Access Toolbar (Windows users) or the main toolbar (cross-platform users).

From the File menu, select a recent model file to open. For Windows users, the file is selected from the Recent submenu. For cross-platform users, the most recent files are listed at the bottom of the list. Choose View All Recent Models to open the Open window, which contains a longer list of recent files.

Windows users can also customize the Quick Access Toolbar to access a Recent File button, which you can click to revert to the most recent file.

Press Ctrl+F to open the Find and Replace window where you can search and replace text and variables in the model. Windows users can also customize the Quick Access Toolbar to access this button. See Searching, Finding, and Replacing Text.

Press Ctrl+Shift+F to open the Find tool where you can search for text and variables in methods. Windows users can also customize the Quick Access Toolbar to access this button. See Searching and Finding Text in the Application Builder Reference Manual.

Open The Application Libraries Window.

For Windows users, this is available in the Home toolbar’s Windows menu or from the File menu. This button can also be added to the Quick Access Toolbar (Windows users).

For cross-platform users, this is available from the File menu.

COMSOL Multiphysics can store recovery files each time you start a solver. This is a preference setting that is initially active by default. For all users, this is available from the File menu. This button can also be added to the Quick Access Toolbar (Windows users).

See Keeping and Opening Recovery Files.

Save the current file. For all users, this is available from the File menu. It is also available in the Quick Access Toolbar (Windows users) or the main toolbar (cross-platform users). If the file has not been saved before, the Save As dialog box appears.

See Saving COMSOL Files.

Choose to save in one of the COMSOL file formats. The Save As dialog box opens, and from the Save as type list select: COMSOL Application (*.mph) (the default), Model file for Java (*.java), Model file for MATLAB (*.m), or Model File for Visual Basic (*.vba).

For all users, this is available from the File menu. It is also available in the Quick Access Toolbar (Windows users).

See About the COMSOL Model File Formats.

Choose to save in one of the COMSOL file formats. The Save window opens (see The Save Window), and when you click Browse, the Save As dialog box opens. From the Save as type list select: COMSOL Application (*.mph) (the default), Model file for Java (*.java), Model file for MATLAB (*.m), or Model File for Visual Basic (*.vba).

For all users, this is available from the File menu.

See About the COMSOL Model File Formats.

Opens the last saved version of the file and reinitializes the GUI. For all users, this is available from the File menu. It is also available in a customized Quick Access Toolbar (Windows users) or the main toolbar (cross-platform users).

See Reverting to the Last Saved File.

The files for Java and for MATLAB contain the entire model history, including settings that are no longer part of the model or application. For all users, this is available from the File menu. It is also available in a customized Quick Access Toolbar (Windows users).

See Compacting the History.

For all users, this is available from the File menu. It is also available in the Quick Access Toolbar (Windows users) or the main toolbar (cross-platform users).

To connect to a server from the COMSOL Desktop. For all users, this is available from the File>COMSOL Multiphysics Server menu. It is also available in a customized Quick Access Toolbar (Windows users).

See Connecting to a COMSOL Multiphysics Server.

To close the connection to the server or MATLAB. For all users, this is available from the File>COMSOL Multiphysics Server menu. It is also available in a customized Quick Access Toolbar (Windows users).

See Disconnecting from a COMSOL Multiphysics Server.

To import a particular application when working with MATLAB, Excel, or the COMSOL API. For all users, this is available from the File>COMSOL Multiphysics Server menu. It is also available in a customized Quick Access Toolbar (Windows users).

See Working with MATLAB, Excel, or the COMSOL API.

To delete applications (remove them from the server) that you have created using ModelUtil. For all users, this is available from the File>COMSOL Multiphysics Server menu. It is also available in a customized Quick Access Toolbar (Windows users).

See Working with MATLAB, Excel, or the COMSOL API.

Navigate back to the node previously selected or to the next node in the sequence. See also Keyboard Shortcuts.

Click to select options to display from the Show More Options dialog box. See Showing More Options.

Click the Collapse All or Expand All buttons to collapse or expand all nodes in the model tree, except the top nodes on the main branch, or click the downward arrow next to the button to choose Collapse Selected or Expand Selected to collapse or expand nodes in the selected branch of the model tree (or use the divide and multiply keypad keys, respectively), Collapse Other to collapse all tree branches except the selected ones, or Collapse All or Expand All.

Choose to display any combination of Name, Tag, or Type. See Displaying Node Names, Tags, and Types in the Model Builder and Settings and Properties Windows for Feature Nodes.

For cross-platform users, this is available in the main toolbar or from the Edit menu.

See Undoing and Redoing Operations.

For cross-platform users, this is available in the main toolbar or from the Edit menu.

See Copying, Pasting, and Duplicating Nodes.

For cross-platform users, this is available in the main toolbar or from the Edit menu.

See Clearing Sequences and Deleting Sequences or Nodes.

To select all or clear the selection of all geometric entities in the Graphics window, click the Select All or Clear Selection buttons, respectively.

For Windows users, this is available in the Quick Access Toolbar. For cross-platform users, this is available from the Edit menu.

See Selecting and Clearing Selection of Geometric Entities.

For Windows users, this is available in the Home toolbar, in the Layout menu. This button can also be added to the Quick Access Toolbar (Windows users).

For cross-platform users, this is available in the main toolbar or from the Windows>Desktop Layout menu.

See Customizing the Desktop Layout.

Open the Licensed and Used Products window to list or block the products your license includes. See Checking and Controlling Products and Licenses Used.

For Windows users, this is available from the File menu. This button can also be added to the Quick Access Toolbar (Windows users).

For cross-platform users, this is available from the Options menu.

To make changes to how items are displayed or available throughout the COMSOL Multiphysics software. See Preference Settings.

For Windows users, this is available from the File menu. This button can also be added to the Quick Access Toolbar (Windows users).

For cross-platform users, this is available from the Options menu.

Measure geometric properties such as volumes (see Measuring Geometry Objects and Entities). Available in the Geometry toolbar. Also, for Windows users, you can customize the Quick Access Toolbar and then click the button.

Group related and similar nodes under a Group node. Available in several parts of the model tree (see Custom Grouping of Nodes). Also, for Windows users, you can customize the Quick Access Toolbar and then click the button.

Ungroup nodes that are grouped under a Group node. Available in several parts of the model tree (see Custom Grouping of Nodes). Also, for Windows users, you can customize the Quick Access Toolbar and then click the button.

Refresh available add-ins. For Windows users, this is available in the Developer toolbar. This button can also be added to the Quick Access Toolbar (Windows users).

Open the context help. See COMSOL Documentation and Help.

For Windows users, this is available from the File>Help menu or in the upper-right corner of the Desktop.

For cross-platform users, this is available in the main toolbar or from the Help menu.

For Windows users, this is available from the File>Help menu.

For cross-platform users, this is available in the main toolbar or from the Help menu.

See COMSOL Documentation and Help.

For Windows users, this is available from the File>Help menu. For cross-platform users, this is available from the Help menu.

For Windows users, this is available from the File>Help menu. For cross-platform users, this is available from the Help menu.

For Windows users, this is available from the File>Help menu. For cross-platform users, this is available from the Help menu.

For Windows users, this is available from the File>Help menu. For cross-platform users, this is available from the Help menu.

See Checking for Product Software Updates.

For Windows users, this is available from the File>Help menu. For cross-platform users, this is available from the Help menu.

For Windows users, this is available from the File>Help menu. For cross-platform users, this is available from the Help menu.

For Windows users, this is available from the File>Help menu. For cross-platform users, this is available from the Help menu.

See The About COMSOL Multiphysics Box.