Restore a Broken Link in Microsoft Word
After you break a link, you can restore the link later if necessary to reestablish the link's connection between Excel and Word. You can do this if you modify content in Excel that is linked to a broken link in Word and you want to update this link with the latest content.
Broken links in the Word document are listed in the Index panel, Broken Links tab. Use the Broken Links tab to restore broken links.
Note: If the message "Broken on and by information is not available for this link." displays below a broken link, you cannot restore this link. A link that displays this message below the link was broken prior to the support for restoring broken links (February 18, 2018 release (2.5.4.2800)) and therefore the metadata required to restore the broken link is not available. To restore these links, you'll need to delete the link and then add the link again to Word.
Note: You cannot use the Break Link button in the ActiveLink ribbon to restore a broken link. To restore a broken link, use the Index panel.
For more information about restoring broken links, see the following sections:
Restore a Broken link in Microsoft Word
To restore a broken link in Microsoft Word
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With the Word document open, click Index from the ActiveLink ribbon. The Index panel opens.
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In the Index panel, click the Broken Links tab.
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Do one of the following:
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Right-click a single broken link to restore and then click Restore Link from the menu that appears.
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Select the check box next to the single broken link to restore, click the Options icon
, and click Restore Link from the menu that appears. 
Note: You can restore a single broken link at a time. If you select multiple broken links, the Restore Link menu option is not available.
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The broken link is restored to an active link. The link you restored is now listed in the ActiveLinks tab instead of the Broken Links tab.
Visual Cue to Denote Broken Links in a Document
To identify whether a link in a document is active or broken, look at the link identifier at the top of the link.
For broken links
After a link is broken, the title in the link identifier for a disabled link begins with 'xAL', as shown in the figure below. The link is also listed in the Index panel, Broken Links tab.
For active links
For active links, the title begins with 'AL', as shown in the figure below. The link is also listed in the Index panel, ActiveLinks tab.
