This workbook contains links to one or more external sources that could be unsafe

This short article shows you how to resolve the error “This workbook contains links to one or more external sources that could be unsafe.” keep popping up when you are opening the Excel workbook.

You might have the problem below when you are opening your workbook.


I have been search quite a while but I do not seem to find a build in Excel solution for that. Somehow, I managed to find Findlink Excel Add-ins.

There is a file you will find findlink.xla.

Open the file with the error. Go to File -> Add-Ins. Under the Manage: choose Excel Add-ins then click Go.


Browse to your findlink.xla then click OK.


Well, up to this point you will be panic like I do. I could not find anything in my Spreadsheet Ribbon after I select the add-ins.

What I did, do not close the Excel spreadsheet but double click on the findlink.xla file. This is how it looks.


Now you can find your broken links.


About chanmingman

Since March 2011 Microsoft Live Spaces migrated to Wordpress ( till now, I have is over 1 million viewers. This blog is about more than 50% telling you how to resolve error messages, especial for Microsoft products. The blog also has a lot of guidance teaching you how to get stated certain Microsoft technologies. The blog also uses as a help to keep my memory. The blog is never meant to give people consulting services or silver bullet solutions. It is a contribution to the community. Thanks for your support over the years. Ming Man is Microsoft MVP since year 2006. He is a software development manager for a multinational company. With 25 years of experience in the IT field, he has developed system using Clipper, COBOL, VB5, VB6, VB.NET, Java and C #. He has been using Visual Studio (.NET) since the Beta back in year 2000. He and the team have developed many projects using .NET platform such as SCM, and HR based applications. He is familiar with the N-Tier design of business application and is also an expert with database experience in MS SQL, Oracle and AS 400.
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