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What file extension is associated with Microsoft Outlooks offline file?

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.OST, This file is generated by the application for the purpose of storing the content of the user's mailbox on the local hard drive for offline use. In Office XP and earlier versions, the OST file will become corrupt if its size grows to over 2 gigabytes, generally causing Outlook to freeze up in use or while starting up. Reducing the size of the mailbox and manually deleting the file is the solution for this condition (a new file is created automatically the next time the program is started). Office 2003 features a new format for the file with support for a 20-gigabyte working file size. The "OST" is directly linked to the Microsoft Exchange profile which created the file. there are 3rd party software providers that supply programs to recover orphan OST files

Posted on Aug 19, 2008

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  • Outlook data files (.pst)
  • Offline Folders file (.ost)
  • Personal Address Book (.pab)
  • Offline Address Books (.oab)
  • Command bar and menu customizations (.dat)
  • Navigation Pane settings (.xml)
  • Registered Microsoft Exchange extensions (.dat)
  • Outlook contacts nicknames (.nk2)
  • Rules (.rwz)

Posted on Aug 19, 2008

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How Repair of Excel file?


If there was such problem, the simplest decision is described here:
http://www.excel.repair/ - Excel Repair Kit. A Microsoft Excel repair tool for corrupted Excel spreadsheets. Program open, read and save data from damaged Excel files.
If at you it didn't turn out to solve a problem, it is possible to try to solve it otherwise:
1. Click the Microsoft Office Button Office button image, and then click Open.
2. In the Open dialog box, select the corrupted workbook that you want to open.
3. Click the arrow next to the Open button, and then click Open and Repair.
4. Do one of the following:
3. To recover as much of the workbook data as possible, click Repair.
(a) To recover as much of the workbook data as possible, click Repair.
(b) To extract values and formulas from the workbook when an attempt to repair the workbook is not successful, click Extract Data.

Oct 17, 2015 | PC Desktops

Tip

How to open office 2007 files into Office 2003?


Today tip will help you to resolve the compatibility issues between the Office 2003 and Office 2007. Because all programs in office 2003 used the old file extensions for its different programs. For example Word 2003 saved files with extension .doc, Excel 2003 with .xls and PowerPoint with .ppt. but on the other office 2007 used the new file extensions for its different programs. For example Word 2007 saved files with extension .docx, Excel 2007 with .xlsx and PowerPoint with .pptx. Now the problem is that when you will try to open office 2007 files into office 2003 and you will not open the file due to compatibility issues between both office versions. Microsoft provides a free compatibility pack to convert office 2007 documents to the office 2003 format. There are many third party free converter are available but here we are using Microsoft office compatibility pack.
Follow the given steps to download free Microsoft compatibility pack and install it.
To use this feature, you will need to be logged into your computer with administrative rights.
Visit the following link to download the Microsoft compatibility pack:
http://www.microsoft.com/downloads/details.aspx?FamilyId=941b3470-3ae9-4aee-8f43-c6bb74cd1466&displaylang=en

on Mar 03, 2010 | PC Desktops

Tip

How to open office 2007 files into Office 2003?


Today tip will help you to resolve the compatibility issues between the Office 2003 and Office 2007. Because all programs in office 2003 used the old file extensions for its different programs. For example Word 2003 saved files with extension .doc, Excel 2003 with .xls and PowerPoint with .ppt. but on the other office 2007 used the new file extensions for its different programs. For example Word 2007 saved files with extension .docx, Excel 2007 with .xlsx and PowerPoint with .pptx. Now the problem is that when you will try to open office 2007 files into office 2003 and you will not open the file due to compatibility issues between both office versions. Microsoft provides a free compatibility pack to convert office 2007 documents to the office 2003 format. There are many third party free converter are available but here we are using Microsoft office compatibility pack.
Follow the given steps to download free Microsoft compatibility pack and install it.
To use this feature, you will need to be logged into your computer with administrative rights.
Visit the following link to download the Microsoft compatibility pack:
http://www.microsoft.com/downloads/details.aspx?FamilyId=941b3470-3ae9-4aee-8f43-c6bb74cd1466&displaylang=en

on Jan 29, 2010 | PC Desktops

1 Answer

My computer programs started to be taken over by windows media program,so I tried to stop this by putting my programs and files accidently into c folder ...8activator.exe.Thats when my problems began,


Wow, I hate to necro an old thread here, but seeing as how there is no answer I will chime in here.

You need to change your file associations. This process varies from one OS version to the next so follow the links below for your respective Windows version. I will include XP since I know plenty of people still cling to that to this day.

I use Windows 10 which does not have Media Center, so I know that walkthrough does not help you. However, it may help others with similar file association issues.

Feb 04, 2015 | PC Desktops

2 Answers

I have 8 programs that won't work and say "they do not have a program association with it for performing this action". They say to "create an association in the folder options control panel".


Windows uses "associations" as part of its object-oriented interface.

For example, after installing Adobe Reader, there will be an "association" created, such that everytime that you double-click on a 'PDF' file, then Windows will launch Adobe Reader.

Similarly, '.doc' files will be associated with Microsoft Word,
and '.xls' files will be associated with Microsoft Excel.

> create an association in the folder options control panel

That's the correct way to "add" or "delete" a specific association.

It's strange that you don't have an association already defined;
it could be the result of a computer-virus, namely, one that has deleted that association.


Aug 31, 2010 | PC Desktops

1 Answer

01 - I Am A Pilgrim - Alabama.mp3 <- WHY mp3 on there?


Computer keeps all its files with an extension. This is basically for the computer to know what associated program it should use to read that file. Here, the mp3 extension means it is a music (song) file, and it should open a medial player to read that file. For example, documents have a .doc or .odt extension. There are several more. When computer sense that extension it will open MS word or open office.

Feb 14, 2010 | PC Desktops

1 Answer

E-Mail Attachment


What's the file extension? That's the key.

Like:

homer.jpg
homer.swf
homer.doc

Each one corresponds to the appropriate program.

Feb 21, 2009 | Dell Dimension 2400 PC Desktop

1 Answer

Set program association


ZM9 is a zone alarm file extension. Once Zone Alarm is installed you should have no further problems. If zone alarm is installed then associate the file to it by browsing for the .exe file of Zone Alarm.

link to download

May 21, 2008 | PC Desktops

2 Answers

Outlook Pst


Dear Jumb,
The previous version of Outlook comes with only 2 Gb capacity ,but new 2003 Outlooks have 20 Gb capacity.

Cheerup And Be Happy always

Mar 17, 2008 | PC Desktops

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