According to Microsoft Support, the largest size a Word file can be is 32MB for the total document, not including pictures or other graphics. That means that a file containing pictures or other graphics could be larger than 32MB. It is important to remember that this limit is not the limit on the size of a file Word can open. According to Microsoft Support, the maximum file size Windows can open is 512MB.
Parameters in Word 2007/Word 2010
Microsoft Word puts limits on other operating parameters as well. According to Microsoft, for Word 2007/Word 2010 the maximum number of each of the following are: 2,147,483,647 bookmarks; 4,079 styles; 2,147,483,647 comments; 2,147,483,647 fields; 255 subdocuments in a master document; 2,147,483,647 moves; 2,147,483,647 range permissions; and 10,000 records to display in a recipients list dialog box.
Parameters in Word 2007/Word 2010 Compatibility Mode
For older versions of Word in which you might need to use compatibility mode, the following restrictions are in place: 16,380 bookmarks; 4.079 styles; 16,380 comments, 255 subdocuments in a master document; 2,147,483,647 fields; 32,752 moves; 32,752 range permissions; and 10,000 records to display in a recipients list dialog box.
Maximum File Size Word Can Open
The maximum file size Word can open, in both normal and compatibility mode, is 512MB. Remember that most email services will not be able to accommodate transfers of this size. Gmail, for example, has a file size limit of 25MB.
Character Limit Dialog Boxes
It is possible with Microsoft Word to create dialog boxes that limit the number of characters allowed, though this will not limit the number of words. To do so, you will need to use the Form Field Option dialog, which you can access from the toolbars menu. Bring up the Text Form Field Options pop-up. From there, you can simply type in the number of characters you want to allow in the field.
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