How to delete Hiberfil.sys file

To delete this file, you have to use the command prompt to manually turn off hibernation. If you turn off hibernation via Control Panel | Power Options, it will not delete the actual file itself.

Open a command prompt in Windows 7 by typing command in the search box. Right click Command Prompt and choose Run as Administrator.

To turn off or disable hibernation, type the following command at the prompt:

powercfg –h off

This will disable hibernation and will remove the hiberfil.sys file from your system.

You’ll have to restart your computer before it will take effect.

To turn on the hibernation again, type the following command at the prompt:

powercfg –h on

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Reduce the size of WINSXS folder

1. Click Start | Run
2. Type in CMD and press [enter]
3. At the command prompt, type DISM /online /Cleanup-Image /SpSuperseded and press [enter]

While you trying to do it, if some Error is shown than your OS was probably installed using media that already had SP1. In this case please use the Disk Cleanup tool:

1. Open My Computer,
2. Right Click on the Windows System Drive and click on Properties, 
3. Then from the Properties dialog click on "Disk Cleanup" in General tab.
4. Wait for a while to open the "Disk Cleanup" dialog.
5. Here it has an option on lower left "Clean up system files". Click on it.
6. "Disk Cleanup" dialog will re-open.
7. Now you will find "Service File Backup Files" in "Files to delete" box. Select it and click Ok.
8. A conformation pop-up will open,
9. Click "Delete Files" to Proceed.
10. Done

Vista

It depends on which SP your OS is running:

For SP1 use vsp1cln.exe
For SP2 use compcln.exe

Both tools are located in %windir%\system32

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Outlook: Grant Send On Behalf Of permission

"Send On Behalf Of" allows one user to be able to send emails on behalf of another. The message will show the recipient who the message was sent on behalf of and who actually sent the message.

There are two ways of granting "Send on Behalf Of":

1. via Outlook (allowing a user to grant others to send on their behalf )
2. via Active Directory Users and Computers (which can be performed by system administrator only)

Grant Send On Behalf Of via Outlook

This procedure will allow you to grant other users the ability to send on your behalf:

1. Start Outlook
2. Tools | Options, select the "Delegates" tab
3. Click on [Add ...]
4. Add the user or users that you want to grant the send-on-behalf-of permission to, then click [OK]
5. The next window will allow you to specify which permissions you are granting. To allow send-on-behalf-of, you need to grant permissions on the "Inbox" to either "Author" or "Editor", then click [OK]
6. Click [OK] to close the "Options" dialog.

Grant Send On Behalf Of via Active Directory Users and Computers

This procedure will allow system administrators to grant users the ability to send on the behalf of other users:

1. Log onto the server running Exchange.
2. Run Active Directory Users and Computers.
3. Find the user's account that you want to be able to send on behalf of, and open up the account properties.
4. Select the "Exchange General" tab.
5. Click [Delivery Options...]
6. Click [Add ...] and add the user (or users) that are to be granted permission to send on behalf of this account.
7. Click [OK] to close the "Delivery Options" dialog.
8. Click [OK] to close the account properties dialog..

How to Send a Message On Behalf Of Another

To send an email on behalf of another (assuming you have been granted the necessary send-on-behalf-of privilege):

1. Start Outlook.
2. Go to your Inbox.
3. Click [New] to start a new mail message.
4. If the message does not show a "From" field then pull down the "View" menu and check "From Field".

Note: I have noticed that if you have Outlook set to use Microsoft Word then the "From Field" does not appear in the "View" menu. The work around is to clear the option to use Word (Outlook | Tools | Options | Mail Format | Use Microsoft Office Word 2003 to edit e-mail messages), you will then be able to show the From field, and this remains even if you re-select to use Word to edit emails.

5. Click [From...] and select the account that you wish to send an email on behalf of.

Compose the email as normal.

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Outlook: Grant Send As permission (to allow sending email as someone else)

"Send As" allows one user to send an email as though it came from another user. The recipient will not be given any indication that the email was composed by someone other than the stated sender.
This option can only be granted by a system administrator.
Follow the procedure to grant users the ability to send as another:

1. Log onto the server running Exchange.
2. Run Active Directory Users and Computers.
3. Under the "View" menu ensure that "Advanced Features" is ticked.
4. Find the user's account that you want to be able to send as, and open up the account properties.
5. Select the "Security" tab.
6. Click [Add ...] (under "Group or user names") and add the user (users or group) that is to be granted permission to send-as this account.
7. For each account added, highlight the account under "Group or user names" and in the "Permissions for ..." window grant the account "Send As" permission.
8. Click [OK] to close the account properties dialog.

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Outlook: Enable Bcc and From fields

Outlook 2010 and 2013:

These two fields are hidden by default, to unhide the fields follow these steps:

1. Open Microsoft Outlook 2010 and click on the New Email button to open a new message.

2. A new message window will now appear.

3. Click the Options tab at the top of the message

4. In the Fields section, select Show Bcc and Show From.

5. The Bcc and From fields will appear in the new message and they will remain on every message you now create in Outlook 2010.

Outlook 2007:

These two fields are hidden by default, to unhide the fields follow these steps:

1. Open Microsoft Outlook 2007 and click on the New button to open a new message.

2. A new message window will now appear.

3. Click the Options tab at the top of the message

4. In the Fields section, select Show Bcc and Show From.

5. The Bcc and From fields will appear in the new message and they will remain on every message you now create in Outlook 2007.

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