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1. How can I disable Pop-up Excel Calendar?

To disable the program temporarily, in Excel 2003 push the Disable button on the Pop-up Excel Calendar toolbar, or in Excel 2007, Excel 2010 and Excel 2013 push the Disable button in the Pop-up Calendar ribbon group. Click the same button again to enable it.

2. How can I hide/display the Pop-up Excel Calendar toolbar in Excel 2003?

To display the toolbar when it is invisible, choose Excel menu View -> Toolbars -> Pop-up Excel Calendar, and make sure "Pop-up Excel Calendar" is checked. To hide the toolbar, click the same menu item again and make sure it is not checked.

3. Does Pop-up Excel Calendar work in split mode?

Yes Pop-up Excel Calendar works for split worksheets.

4. Does Pop-up Excel Calendar work in frozen mode?

Yes Pop-up Excel Calendar works for frozen worksheets.

5. Does Pop-up Excel Calendar work when zoom is not 100%?

Yes Pop-up Excel Calendar works even if the zoom is not 100%.

6. The in-cell icon button does not appear when it is supposed to do.

The in-cell icon button won't appear if:

  • The target cell contains a formula.
  • The target cell is locked and the worksheet is protected.

7. The calendar or date picker does not pop up. Even clicking on the toolbar or ribbon buttons does not work.

  1. The date picker (Pop-up Excel Calendar) might be disabled. To find this out in Excel 2003:
    1. Click Excel menu Help -> About Microsoft Office Excel -> Disabled Items.
    2. If "Pop-up Excel Calendar" is listed in the Disabled Items box, then select it and click the Enable button.
    3. You need to restart Excel to start Pop-up Excel Calendar.

    In Excel 2007, Excel 2010 and Excel 2013:

    1. In Excel 2007 click Office button -> Excel Options; In Excel 2010 and Excel 2013 clickFile and then Options.
    2. Click Add-ins on the left command bar.
    3. Is Pop-up Excel Calendar listed in the Active application add-ins section? If not, you should install Pop-up Excel Calendar first.
    4. Choose Disabled Items from the Manage list. Click Go.
    5. If Pop-up Excel Calendar is listed as a disabled item, enable it by clicking the Enable button.
    6. Restart Excel.
  2. The program might be corrupt.

    The program files could be corrupt because of a virus or other threatening program. You can verify the digital signature of the program files to quickly find out if they are intact. To do this:

    1. Open Pop-up Excel Calendar installation folder in Windows Explorer. By default the installation folder of Pop-up Excel Calendar is:

      <System Driver>\Program Files\Uniform Software\Pop-up Excel Calendar\


      <System Driver>\Program Files\\Pop-up Excel Calendar\

    2. Right-click OKEXLCAL.DLL, choose Properties.
    3. Open the Digital Signature tab.
    4. Click to select Uniform Software Ltd digital signature and then click Details.
    5. The Digital Signature Details dialog box should display a message "This digital signature is OK". If you don't see this message, the file you are verifying is corrupt.

    If you find the file is corrupt, the first thing you need to do is to install a virus scanner and then scan your whole system completely. Once you are sure that your system is clean, then re-download and install Pop-up Excel Calendar.

  3. A hidden instance of Microsoft Excel is running in the background.

    Microsoft Excel does not exit properly and there is still a hidden instance running in the background. Try to reboot Windows to make the system clean.