SYMPTOM
Strategy Office tab disappears in MS Excel after some changes done to the operation system
CAUSE
Hard disabling can occur when a Strategy Office Add-in causes the application to close unexpectedly. It might also occur after Microsoft updates installation or any other system upgrades/enhancements.
ACTION
Follow the steps below to re-enable Strategy Office Add-In
1. In the application click File tab:
2. Click Options button:
3. In the Categories pane, click Add-Ins:
4. In the Details pane, verify that Strategy Office Add-In appears in the Disabled Application Add-Ins list.
The Name column specifies the name of the assembly and the Location column specifies the full path of the application manifest.
5. In the Manage box, click Disabled Items and then click Go:
6. Select Strategy Office Add-In and click Enable:
7. Click Close.
8. Restart MS Excel to apply the changes made. KB439281
