Reply-And-Keep-Attachments

Reply and Keep Attachments is a simple VSTO Outlook Add-In that helps keep attachments when replying to an e-mail in Outlook.

The tab appears when an e-mail is opened for reading in a new window (double click on an e-mail in the list).

Features:

• Keep attachments when replying
• Keep attachments when replying to all

How to test:

• Clone the repository
• Open the solution in Visual Studio
• Delete: Reply_And_Keep_Attachments_TemporaryKey.pfx if found in the Solution Explorer
• Right-click the project in the Solution Explorer
• Click Properties
• Go to the Signing tab
• Click Create Test Certificate...
• Enter a new password, choose the Signature algorithm, and click OK
• Save All (Ctrl + Shift + S)

The project will be ready to debug if no errors ocurred during the creation of the test signing key.

Troubleshooting:

Add-In crashed Outlook while debugging and now it doesn't appear despite attempts to re-enable it on Outlook

1. Open Outlook again
2. Close Outlook
3. Open the Registry Editor
4. Locate: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Resiliency\DisabledItems and delete the binary value corresponding to the Add-In
5. Locate: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Resiliency\CrashingAddinList and delete the binary value corresponding to the Add-In
6. Locate: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Addins\Reply And Keep Attachments and delete the key
7. Locate: HKEY_CURRENT_USER\Software\Microsoft\Office\Outlook\Addins\Reply And Keep Attachments and delete the key

Deploying:

• Using a Windows Installer
• Using ClickOnce