Inserting content into container fields
You can add content, such as a graphic (or image), audio/video, PDF, or a file of any type, to a container field by inserting it, using drag and drop, or pasting the file from the Clipboard.
For a list of supported image and audio/video formats, see Using data in container fields.
You can use a container field to store files of any type, such as spreadsheet files, word processing files, or any other file type that you want to track. When you insert a file, FileMaker Pro displays the file’s icon and name in the container field, but not the actual content.
Note  To insert packaged files, such as Keynote files, into a container field, archive or zip the packaged files.
To insert a graphic, audio/video, PDF or file of any type:
1.
In Browse mode, click the container field.
When you select a rotated field in Browse mode, the field is temporarily displayed unrotated while the field is selected.
2.
 
Choose Insert menu > Picture.
Choose Insert menu > Audio/Video.
Choose Insert menu > PDF.
Choose Insert menu > File.
3.
Choose the desired file type for Files of type (Windows) or Show (OS X).
4.
If you select Store only a reference to the file, FileMaker Pro doesn't import the file; it only keeps track of where it is on your hard disk. This option may reduce the size of your FileMaker Pro file, but if you move or delete the file, FileMaker Pro won't be able to display it. If you chose Insert menu > File, choose this option if you want to be able to open the file from the container field.
Tips
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If you select Store only a reference to the file, one way to see the location of the file on your hard disk is to create a calculation using the GetAsText function.
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To open a file that has been inserted into a container field (using Insert menu > File and choosing Store only a reference to the file), select the container field and then press the Space bar, or double-click the container field.
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OS X: Plug-ins stored in container fields are compressed by default.
Related topics 
Adding and viewing data troubleshooting
Deleting data from container fields
Specifying formats for container fields
About container fields