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When a problem keeps getting repeated, how do you feel? Quite frustrating, isn’t it? This is what is happening with your Outlook OST file. The file keeps getting corrupted often. Every time you try and fix the issue somehow, but still the OST file gets corrupted again. This issue is most commonly faced by Outlook users of versions 2016, 2013, 2010, and 2007.

So in this article we tell you some of the reasons behind Outlook OST file getting corrupted every so often, and how to fix the issue.

Factors Causing OST File Corruption in Outlook –

There are various reasons behind frequent Outlook OST file corruption. They can be classified into 2 categories – Hardware faults and Software errors.

Hardware faults

• Sudden system shutdown
• Problems with networking device
• Presence of bad sectors in hard drive on which OST file is stored
• Any interruptions during synchronization of OST file with exchange server

Software failures

• Malware or virus attack on MS Outlook OST file
• Errors in Microsoft Outlook application
• Abrupt termination of Outlook application
• Improper system recovery

Some of the hardware and software errors which causes OST file corruption were seen. Now the next step is to fix the corrupt Outlook OST file. Here is a manual method to fix OST file which keeps getting corrupted. One way to fix the issue is by renewing OST file. Follow the steps –

• Go to Properties, right click on the folder
• A dialog box will now appear. Choose Clear Offline Items in the box.
• Click OK button
• For Outlook 2010, go to Send / Receive alternative
• Now click on Update Folder

Hope this helps and your Outlook OST file corruption issue gets fixed. However, sometimes, trying to manually fix the OST file doesn’t help much. This is because manual methods have some limitations. They are complicated, time consuming, and in some cases result in data loss too. To avoid all these problems, you can make use of Yodot PST File Repair tool which can repair Outlook OST file in a safe and quick manner. This PST File Repair software will efficiently fix OST file which keeps getting corrupted often. 

The tool not only repairs damaged or corrupt Outlook OST file, but it also recovers deleted or lost items like emails, contacts, notes, journals, etc., from the OST file. Moreover, since it works on read-only mode, the original corrupt OST file is left intact with no further damage.

OST file is an offline folder; all work done on Outlook when server is unavailable will be stored on OST file.  OST file can be accessed by the Outlook profile by which it is created. This OST file can get corrupt due to various reasons and prompts “cannot Access OST file in Outlook” error. Main reasons for OST file corruption are –

• Interruption while synchronizing OST file with Exchange server
• Faulty add-ins
• Outlook malfunction
• Terminating Outlook abruptly
• Virus infection

There are other reasons too, but the main question is how to deal with OST file corruption? To know the techniques to fix OST file corruption, read this page.

Inbuilt Microsoft OST Repair Tool
You can fix corrupted OST file by using built in tool provided in Outlook. If you are using Outlook 2000 and 2003, then search for Detect and Repair tool to repair OST file. In Outlook 2007, you have to look for Diagnostics tool (scanost.exe). Microsoft Outlook 2010 and 2013 comes with Repair button to fix the damaged OST file. In Outlook 2016, you can use scanpst.exe to mend OST file.

Recreating OST File
Creating replica of corrupted OST file, it is possible to solve “Cannot open OST file in Outlook”. Here are the steps to recreate the OST file

• Close Microsoft Outlook
• Then, go to Control Panel and click on Mail option
• Select the Outlook profile and press Properties
• Select Email Accounts option
• Select Data Files tab and select Exchange Account
• Press Open File Location
• Close Account Settings and Mail Setup window
• Now, go back to File Explorer window, select the Exchange Account and right click on that
• Next, hit Delete button
• It will delete the current OST file, upon opening Outlook, you will get the new OST file

Update OST folder
By updating OST folder, you will be able to fix cannot access OST file in Outlook issue. To do so,

• Select OST folder and right click on that to select Properties
• Select Clear Offline Items option under dialog box and hit Ok
• Now, on the ribbon, go to the Send/Receive option and click on Update Folder button

OST to PST Conversion
If all the above mentioned methods fail to fix the issue, then the last option is to convert it to PST file to solve the problem. To convert your OST to PST file and to solve cannot access OST file error, Yodot OST to PST tool comes handy. The tool converts corrupted OST file to PST file and recovers all your emails, Contacts, Email attachments, Calendar Items, Tasks, Journals etc. Yodot also offers PST Repair tool to fix corrupted PST file. Also, it helps to repair PST cannot be found error and other errors associated with Outlook PST file.

Instead of worrying about your OST file after corruption, it is better to take precaution to avoid corruption issues. Make sure that there is no network problem while synchronizing OST to Exchange server and use reliable antivirus software to keep your computer away from any virus or malicious software.

PST file is an important aspect of Outlook, which holds all the required attributes of it. But, the question is – Is it safe to use PST file? Well, we can’t say PST files are bad, but there are some problems associated with these Outlook data files. As these are located in user hard drive or server, accessing these files for organization is very difficult task. Moreover, PST files are not backed up automatically and there is also chance of corruption. Keeping all these points in mind, it is better to use email archiving solution than a PST file.

PST files archiving helps in many different ways. The main advantage of archiving PST file is in reducing your storage capacity. Other than storage capacity, there are many additional benefits of using Email Archiving in terms of compliance, legal storage issues, data corruption, etc. In this section, I have explained some of the other benefits of archiving PST file.

• Archiving PST file will stop you from violating many government regulations. It even makes search process easy within PST file.
• Archiving PST file helps you to save your server memory space, when there is no space to save new emails
• Email archiving solution helps in automating PST file creation. It gives full control on PST file to administrator so that you can decide where emails have to store.
• Email archiving solution helps you in saving emails in one location rather than different places.
• When your archive a PST file, no need to worry about PST file corruption. Because, archive solution will have copy of your corrupted PST file.

Beneficial Info- If there is no copy of your corrupted PST file in archive, then you can use Yodot Outlook PST Repair tool to fix your corrupted PST file.

• When you have a PST file data stored locally, which is difficult for organization or company to get hold of it. But email Archiving reduces this problem, by giving access to company.

Excluding these, there are many other benefits in archiving PST file. Hence, archiving PST file is a good choice.

Are you troubled with .mov files not playing in the latest Windows Movie Maker? Some digital cameras and iPhones record videos in MOV format and it is frustrating to see those video files not opening in Windows Movie Maker. Fortunately, you can make the .mov files play in the Windows Live Movie Maker by converting them to a .wmv file format for free!

We are recommending any free video conversion tools here. You can convert them to Windows Live Movie Maker itself. Yes, that’s true. Windows Live Movie Maker has the option to convert the video to file formats it can recognize.

Before we proceed further with the conversion steps, it is recommended to create a copy of the original .mov file. In case, something goes wrong while converting you don’t want to end up in a situation where you cannot play MOV file or you feel that the quality is reduced after the conversion, don’t have to worry as you’ll have your original video with you. Now, let’s get started.

Steps to Convert MOV files to WMV in Windows Live Movie Maker

Step #1: Check The File Format Before Converting

First, confirm that the file format just to be sure that the movie/video you are converting is a .mov file. To do so;

Open File Explorer and navigate to the movie directory. Select the file by left clicking it and see at the bottom of the window. Just below the filename of the video, you’ll see some text in gray saying QuickTime Movie. Now, we are confirmed about the video clip file format. Let’s move to the next step.

Step #2: Run Windows Movie Maker

Windows Live Movie Maker offers a lot of Windows Live features since Windows 7, most of which are already installed in it. You can free download the latest application from Microsoft site. To open Windows Live Movie Maker, click on Start Menu, and then select All Programs and then Windows Live and then select Windows Live Movie Maker.

Step #3: Import .mov file into Windows Movie Maker

Once you launch the Windows Live Movie Maker, click Home tab in that, select “Add Videos and Photos.” A window will open, browse your video from there and click on Open.

Step #4: Test the Movie

Test if the video is opened correctly in the Movie Maker. Play the video and check the seeker on the right-side.

Step #5: Export and Convert MOV to WMV

In the Home tab under Sharing section, click More Options. From the choices that appear, select Other Settings to Save a Movie On Your Computer. You’ll have the option of select the quality of the video like HD, HQ and Standard Definition. If your movie is shot in high-definition, you can select HD to maintain the same quality.

Step #6: Select The Save Location

Choose a location to save the video file and give any file-name that you like but make sure you DO NOT change the file type in Save as type drop-down list. It should say “Windows Media Video (WMV) File.”

Step #7: Conversion Process Begins

The conversion process starts and you will see a window with the progress bar. Patiently wait for some time. The conversion process depends on the size of the video, the quality you selected and your computer’s speed.

That’s it! After the conversion process is complete, you’ll have a new .wmv video ready to stream.

MP4FileLibU.dll is nothing but a DLL file which helps different software to share the same functionality. It must be loaded properly by Windows during computer/ program startup or while running specific function. If Windows fails to do that, then “mp4filelibu dll was not found” error will pop up. Thinking, why Windows fails to load MP4FileLibU.dll file?

Well! It happens when the associated MP4FileLibU.dll file is missing or corrupted. MP4FileLibU.dll file gets corrupted due to improper system termination and virus attack. And Invalid registry keys and broken registry keys leads to missing MP4FileLibU.dll issue.

How to Fix MP4FileLibU.dll was not Found Error?

• Fix Invalid MP4FileLibU.dll Registry Entries

MP4FileLibU.dll file is shared by many programs and if any of the programs are uninstalled, then some registry entries related to uninstalled program remains in Windows registry.  You need to remove these orphaned or invalid entries from Windows Registry.

• Restore MP4FileLibU.dll from Recycle Bin

You might get “mp4filelibu dll was not found” error if these files are deleted from your Windows system. Hence, check your Recycle Bin for MP4FileLibU.dl file.

Go to Recycle Bin and type MP4FileLibU.dl in search box

If there are any MP4FileLibU.dl file, select and click on Restore option

• Scan your PC for Malware-

When your computer gets infected by virus, they may delete or corrupt your MP4FileLibU.dl file. Hence, use antivirus software and scan your entire PC to fix or remove the unwanted programs.

• Run System File Checker

System File Checker tool scans for file corruption and helps to restore Windows system files such as MP4FileLibU.dll. It replaces the MP4FileLibU.dll from DLL Cache (%WinDir%\System32\Dllcache\), if it finds any problem.

• Go to Start button and type Command Prompt in the search field
• Then, press Control + Shift and Enter key at a time
• It opens Command Prompt window, type “sfc /scannow” and press Enter
• It scans and fixes errors

If any of the above method fails to solve the “mp4filelibu.dll was not found” error, then update PC drivers and install all Windows updates. Still if you get this error, then clean install your Windows.

Additional Info- Use Yodot MOV Repair tool to fix corrupted MP4 file. The tool can also be used to fix unplayable and broken MP4 as well as MOV file.

iMovie is an application used to edit the videos. Editing a video using iMovie is very easy than ever before. This application is specifically designed for Mac and iOS. You can easily import any video to iMovie for the purpose of editing. It supports various video formats, including MOV. But recently many people have complained that they are struggling to import MOV file to iMac and getting an error stating that “iMovie can’t import MOV”.  Hence, here I have explained all the possible methods to import MOV file to iMovie.

Method 1- Common way of importing MOV video

• Copy your MOV video which you want to edit using iMovie to desktop
• Then, open iMovie and select File
• Choose Import Movie option to select MOV file from desktop

This is a general method of importing MOV video to iMovie. If you fail to import MOV file using this technique, then try the second method.

Method 2- Convert and Import

You can import MOV video only if iMovie can edit it and iMovie supports MOV with video codec DV, MPEG-2, MPEG-4, H.264, or AIC. Other video codecs are not supported by iMovie, so to edit such MOV file, you need to convert the video file before going to import. To convert it to iMovie compatible format, you have to utilize third party conversion software.

Once your video gets converted, run iMovie and select File. From the context menu, select Import > Movies and select the converted file for editing.

Method 3: Fix and Import

When your MOV file gets corrupted, you can’t import it to iMovie. To import, you have to fix the corrupted MOV file. To do that, use Yodot MOV Repair software. The software will help you to repair the corrupted MOV video. You can even use this tool to fix unplayable MOV file on Mac. Once you fix the MOV file, go to iMovie and import it.

There is no doubt that VLC is one of the good featured media players available. Of course, the reason is its ability to play a variety of media files and discs but that’s not all, VLC will help you in many creative things one of the main examples is video conversion. You can convert the present video file format to MP4, AVI, DIVX, MPEG etc. So let us understand how to convert VLC videos quickly and easily. (Here we have taken the example of conversion of VC videos to MP4)

• Click on the Media menu in VLC and then hit on Convert / Save
• Make use of Add button and select one or more video files to be converted
• In the Target file box choose the required folder and write a name for the new video file
• For converting a video, select video format by going to Profile>the target format from the given formats list (VLC can convert, WMV, ASF, DIVX, AVI, MP4, MPEG, DVD etc. video file formats)

You can even go for advance settings: by using the menu with tools icon, you can modify settings for the destination format to adjust itself. You can even select the supported video and audio codecs and get access to all advanced featured options like resolution, bit rate, audio quality, and frame rate. By using special filters, you can optimize or change the video or audio track during the conversion process. (Example: you can add a watermark, logo or can rotate the video to 90°).

Now let us understand how to convert videos saved to MP4:

Once you select all the settings, click on Start to begin the conversion. VLC media player saves the film in the preferred format in the folder selected by you. The time required to complete the conversion process depends on the video length, chosen settings and also the speed of your PC. Check the progress with Batch Conversion, see the progress in the timeline when you play a video.

Note: There are some users who have faced video corruptions during video conversion, in that situation you can use Yodot MOV Repair software.

This is how you can convert videos using the VLC player. It is recommended to maintain a backup of your video file before you go for video conversion process.