These articles are in the Developer and Code Sample categories. These pages often contain only the code, with very little instructions and assume the reader has some VBA knowledge. See How to use the VBA Editor if you need help using VBA.
Additional code samples are at VBA Code Samples
Working with All Items in a Folder or Selected Items
These samples contains the basic code for working with all items in a selected folder or selected items in a folder.
Use VBA to Create a List of Exchange GAL Members
Use an Outlook macro to create a list of users in the Exchange Global Address List or a list of member of a distribution group in the GAL.
Remove [External] from Message Subject
A user wanted to know how to remove [External] from the subject of incoming messages. My company recently instituted the policy that puts the [EXTERNAL] tag in every subject when an email is received from outside the organization. When it's only one email, it's not really an issue. However, when it turns into a thread
Create a list of uncompleted tasks
These macros create a list of incomplete tasks or flagged messages not marked completed. The first macro uses a filter to create a list of Tasks not marked complete and works only with the Tasks folder. The second macro checks every item in the select folder for flagged items and lists the items not marked
Rename Outlook Attachments
This macro allows you to rename attachments on incoming or outgoing messages.
Fix the Outlook Folder Type after Exporting an IMAP Account
After importing IMAP folders to Personal Folders or an Exchange mailbox, messages in the imported folder are hidden.
Get Outlook's Internet Headers using VBA
Use this code sample and function to display the Internet header of selected message in a new message form.
Enable Contacts as Address Book using VBA
A user with way too many contact folders created a new profile and none of the contact folders were listed in the Address Book menu. With more than 200 contacts folders, it would take several hours to enable each folder manually. I had a macro that needed just a little tweaking to set the folders
How to use Windows File Paths in a Macro
How to choose the file path when you save an Outlook attachment or a message using a VBA macro.
Format Images in Outlook Email
This variation of the Resize Images in Email macro puts a border and shadow around all images in the message you are composing.
Set Outlook Online or Offline using VBScript or PowerShell
How to use PowerShell, VbScript or VBA to set Outlook to work offline.
Delete duplicate messages using a macro
Use a macro to clean up duplicates messages in an Outlook folder.
Open Hyperlinks in an Outlook Email Message
Use an Outlook macro to open every hyperlink in the selected email message. A version of the macro will open hyperlinks in every message in the selected folder.
Use a macro to move Sent Items
Use a VBA macro in Outlook to move IMAP sent items to the Sent items folder on the IMAP server.