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For the most part, new applications will open old files and convert them to the new format. <br />
<br />
However, I have run across old documents where I have had to use the old application (virtual machine) to open them. <br />
<br />
If you do not have old applications, there are repair procedures for Office documents<br />
<br />
<a href="https://support.office.com/en-ie/article/open-a-document-after-a-file-corruption-error-47df9d48-2165-4411-a699-1786ac734bc3" rel="ugc">https://support.office.com/en-ie/article/open-a-document-after-a-file-corruption-error-47df9d48-2165-4411-a699-1786ac734bc3</a><br />
<br />
Try the following for Adobe PDF files<br />
<br />
<a href="https://forums.adobe.com/thread/1826105" rel="ugc nofollow">https://forums.adobe.com/thread/1826105</a>&nbsp; &nbsp;OR<br />
<br />
<a href="https://www.nucleustechnologies.com/blog/a-simple-way-to-repair-adobe-pdf-files/" rel="ugc">https://www.nucleustechnologies.com/blog/a-simple-way-to-repair-adobe-pdf-files/</a>
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For the most part, new applications will open old files and convert them to the new format.

However, I have run across old documents where I have had to use the old application (virtual machine) to open them.

If you do not have old applications, there are repair procedures for Office documents

https://support.office.com/en-ie/article/open-a-document-after-a-file-corruption-error-47df9d48-2165-4411-a699-1786ac734bc3 [https://support.office.com/en-ie/article/open-a-document-after-a-file-corruption-error-47df9d48-2165-4411-a699-1786ac734bc3]

Try the following for Adobe PDF files

https://forums.adobe.com/thread/1826105 [https://forums.adobe.com/thread/1826105]   OR

https://www.nucleustechnologies.com/blog/a-simple-way-to-repair-adobe-pdf-files/ [https://www.nucleustechnologies.com/blog/a-simple-way-to-repair-adobe-pdf-files/]

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Have you tried to open the document in a computer running MS Windows 7 or Windows 10?
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Have you tried to open the document in a computer running MS Windows 7 or Windows 10?

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ARe you sure these files didn't fall victim to ransomware?
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ARe you sure these files didn't fall victim to ransomware?

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<div class="content wysiwyg-content">
Old Word and Adobe documents from 2007 fail to open.<br />
<br />
Adobe Error:<br />
<a href="https://filedb.experts-exchange.com/incoming/2019/04_w17/1418633/Screen-Shot-2019-04-22-at-10.45.07-A.png" target="_blank" title="adobe (82 KB)"><img alt="adobe" class="file-block lazyload" style="max-width: 800px;" data-src="https://filedb.experts-exchange.com/incoming/2019/04_w17/800_1418633/Screen-Shot-2019-04-22-at-10.45.07-A.png" /></a><br />
Word Errors:<br />
<a href="https://filedb.experts-exchange.com/incoming/2019/04_w17/1418634/Screen-Shot-2019-04-22-at-11.10.20-A.png" target="_blank" title="word1 (210 KB)"><img alt="word1" class="file-block lazyload" style="max-width: 800px;" data-src="https://filedb.experts-exchange.com/incoming/2019/04_w17/800_1418634/Screen-Shot-2019-04-22-at-11.10.20-A.png" /></a><br />
After clicking OK<br />
<a href="https://filedb.experts-exchange.com/incoming/2019/04_w17/1418635/Screen-Shot-2019-04-22-at-11.15.15-A.png" target="_blank" title="word2 (116 KB)"><img alt="word2" class="file-block lazyload" style="max-width: 800px;" data-src="https://filedb.experts-exchange.com/incoming/2019/04_w17/800_1418635/Screen-Shot-2019-04-22-at-11.15.15-A.png" /></a><br />
Backups are the same and I'm checking the retention policy to see how far back data is archived. Assuming data may not be available from 12 years ago are these files repairable? Likely a 3rd party app needed, please feel free to share which one's have worked and which ones have not.
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Screen-Shot-2019-04-22-at-11.10.20-A.png

Screen-Shot-2019-04-22-at-10.45.07-A.png

Screen-Shot-2019-04-22-at-11.15.15-A.png

Old Word and Adobe documents from 2007 fail to open.

Adobe Error:


Word Errors:


After clicking OK


Backups are the same and I'm checking the retention policy to see how far back data is archived. Assuming data may not be available from 12 years ago are these files repairable? Likely a 3rd party app needed, please feel free to share which one's have worked and which ones have not.

Corrupt Word and Adobe files from 2007 haven't been opened in years.

Disaster Recovery is the planning for and creation of policies and procedures related to the resumption or continuation of an organization's functions following a catastrophic event. The term is most frequently used in relation to failure of networks, but DR preparations also include other business systems and personnel considerations.

Disaster Recovery

Adobe Acrobat is a family of application software and Web services developed by Adobe Systems to view, create, manipulate, print and manage files in Portable Document Format (PDF). The family comprises Acrobat Reader (formerly Adobe Reader), Acrobat (formerly Acrobat Exchange) and Acrobat.com. The commercial proprietary Acrobat, available for Microsoft Windows and OS X only, can also create, edit, convert, digitally sign, encrypt, export and publish PDF files.

Adobe Acrobat

Microsoft Word is a commercial document editing program that is part of the Microsoft Office suite. It features numerous text-editing tools for creating richly formatted documents, along with tools for the use of macros in Word documents. Word's native file formats are denoted either by a .doc or .docx file extension. Plugins permitting the Windows versions of Word to read and write formats it does not natively support, such as the OpenDocument format (ODF) are available. Word can import and display images in common bitmap formats such as JPG and GIF. It can also be used to create and display simple line-art.