Stellar Data Recovery Knowledge Base (KB) Articles 10

SKB17

What is maximum PST size limit for different versions of MS Outlook?

When you add or set up a POP email account in Microsoft Outlook, it stores all the data in single Outlook data file, known as Personal Storage Table (.PST). It is also referred to as a Personal Folder file. In other words, it is a data file used for the storage of Outlook email objects, such as contacts, attachments, appointments, journals, tasks, events, etc. Each version of Outlook has a differe..

Date Published 12 Jul 2011

Total Views 98284

SKB26

How to fix PDF file error "The file is damaged and could not be repaired"?

Sometimes while trying to open a PDF document you may encounter the following error message: 'There was an error opening this document. The file is damaged and could not be repaired' Due to the corruption of the PDF file you become unable to view the multimedia and graphics contents of this PDF document. You only get to see the textual information or sometimes only a blank page appears o..

Date Published 30 Aug 2011

Total Views 93126

SKB852

How to recover data from an Unbootable system/ Crashed OS?

To recover data from a crashed or non-booting Windows PC and Laptop, follow these steps: Video Tutorial Step 1: Prepare a Bootable Data Recovery Media For this, you need an empty USB thumb drive (at least 1GB size). Connect the USB thumb drive to a working Windows PC and follow the instructions below: a) Download, install and launch Stellar Data Recovery Professional softwar..

Date Published 23 Dec 2019

Total Views 81326

SKB271

Common SQL Database Corruption Errors, Causes and Resolutions

MS SQL Server database is one of the popular and advanced relational database management systems, which is largely used by organizations and professionals. The improved user interface and advanced features of SQL Server make it one of the best database management tools for managing a large amount of data. Despite the usefulness of this software, the databases created by it are prone to corruption..

Date Published 05 Aug 2013

Total Views 74941

SKB263

How to Resolve the Error 'Word was unable to read this document. It may be corrupt'

MS Word is a largely used application of MS Office suite. Computer users of different cadres use this application at different levels. For example, students use it for doing their assignments, whereas professionals use it for maintaining the documentation of their work. Despite its usability, the files created with this application (the document files) often get corrupt. An error message that a MS..

Date Published 17 Jul 2013

Total Views 74515

SKB262

Why Adobe Acrobat Viewer Shows 'A Blank White Screen' When You Try to Open a PDF

At times, your Adobe Acrobat viewer fails to display your PDF files properly; instead, it shows a 'blank white screen' when you try to open it. Mentioned below are some of the common reasons that are responsible for such behavior of your PDF file: Causes: The causes responsible for such behavior of PDF are: Missing plug-ins of Adobe Acrobat reader PDF files are not present in the..

Date Published 17 Jul 2013

Total Views 74262

SKB69

macOS is unable to recognize the external drive, and Disk Utility can’t mount it. How to recover data from the unmounted drive on Mac?

The external hard drive going unrecognized might be giving you nightmares since you are unable to access your important documents, videos, photos, audio files, Don't worry this KB article shares a unique solution to recover data from an unmounted or unrecognized drive on macOS. An unmounted drive appears Greyed out in Disk Utility (image only for reference) First and foremost connect your unm..

Date Published 27 Jan 2012

Total Views 63516

SKB107

How to Repair Corrupt MOV, MP4, AVI, etc. with Stellar Repair for Video on Windows and Mac?

For Mac To repair corrupt video files (like MOV, MP4, AVI, MKV, and other formats) using Stellar Repair for Video on Mac, follow these steps: Download, install, and launch Stellar Repair for Video for Mac. On the home screen, click ‘Add Videos’ button to add the files for repairing. Next, click Repair to start the repair process. Click OK when you get the prompt ‘Repa..

Date Published 17 Oct 2012

Total Views 58503

SKB1082

[Resolved] Error Code 1521: Activation key is invalid

The error code 1521 suggest that the activation key you've entered is invalid. This can happen if the key has been entered incorrectly or if it's no longer valid for the software that you are trying to activate. Activation Failed Activation key is invalid. Error Code:1521 App:.... How to Resolve Error Code 1521? To resolve this issue, please re-check the activation key yo..

Date Published 28 Mar 2025

Total Views 58387

SKB41

What customization options are available in Stellar Photo Recovery for configuring file recovery settings?

Stellar Photo Recovery allows you to customize recovery settings during file saving. Using the More Options feature, you can: Apply compression Change recovery options Set specific file filters Apply Compression You can choose to save recovered files in compressed ZIP format, but this option is only available when saving to a local disk or drive. Heres how to apply compressi..

Date Published 12 Sep 2011

Total Views 55086