Password of the Outlook data file

I got a new laptop (OS = Windows 10) and I installed Office 2010.  When I try to attach to Outlook my Outlook data file I am asked to enter a password.  According to my password list I never assigned such a password.  What should I do to solve this problem?
DinuAAsked:
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Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
Did you try to just press return (no password)?
JohnBusiness Consultant (Owner)Commented:
I assume you still have the old computer and Outlook PST file.

Close Outlook. In the new computer, go to Control Panel, Mail and delete the Outlook Profile. This deletes your email account, so know how to make a new one.

Now use Windows Explorer and go to Documents, Outlook and delete the Outlook.PST file. You HAVE a backup (first line here).

Now open Outlook, create a new Account which will create a new Outlook File. Do not collect mail.

Now make a copy of the old PST file and name it (rename) the same as the new Outlook Data File.

Now copy the file to the new computer (Outlook will need to be closed).

Open Outlook and it should work. This method has always worked for me.
DinuAAuthor Commented:
Yes, same behaviour.
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JohnBusiness Consultant (Owner)Commented:
Go to the old computer, local SCANPST.EXE in the Outlook Program Folder. Run SCANPST against the Outlook data file and correct any PST errors.

Go to the new computer and do a Repair of Office from Control Panel (do a Full repair in an option is presented). Then restart the new computer and go through the procedure above again.
Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
The same file on the old computer can be re-opened in Outlook without getting a prompt?
DinuAAuthor Commented:
To Qlemo:  yes
JohnBusiness Consultant (Owner)Commented:
I still suggest running SCANPST, but since the old system worked, try repairing Office as I suggested.
Jackie ManIT ManagerCommented:
When I try to attach to Outlook my Outlook data file I am asked to enter a password. -> can you post a screen capture?
Jackie ManIT ManagerCommented:
The procedure below is what I do in data migration.

1. Copy the PST file from the old computer to the new computer in a folder called "Outlook Data" under the Document folder.

2. Start Outlook 2010 and add a new email account and select and browse for existing outlook data file as shown below.

Existing Outlook data file
Are you prompted for a password? How large is the PST file? Is it of the same size as shown in your old and new computers?
DinuAAuthor Commented:
To Jackie Man:  Yes, I am prompted for the password.  The file has the same size on both computers: 6926MB
DinuAAuthor Commented:
To Jackie Man:  password is required
DinuAAuthor Commented:
To John Hurst:  I don't find scanpst.exe on any of my computers.
Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
The exact location of scanpst should be one of
   C:\Program Files (x86)\Microsoft Office\Office14
   C:\Program Files\Microsoft Office\Office14
depending on 32/64bit OS & Office
Jackie ManIT ManagerCommented:
It seems to me that you really did set a password for your PST file as for a small PST file like yours, the chance for corruption is rare.

In such case, you need a password recovery tool like the one below.

http://m.download.cnet.com/Kernel-Outlook-Password-Recovery/3000-2092_4-75279459.html

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DinuAAuthor Commented:
Thanks again to all the colleagues who gave me suggestions for solving my problem.
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