There are many users who faces the issue Excel opening multiple files during startup. In order to fix this issue, the user must read this blog. And for more info, the user can click on www.office.com/setup.
Method to Resolve If Excel Opening Multiple Files During Startup:
1. Open Excel In Safe Mode:
The user can start excel in safe mode by using two ways i.e. command-line switches and the CTRL-key. If you want to use these command-line switches, then you should click on Start option and then select Run in your Window screen. After this, you should type any one of the command below.
At last, you need to click on Ok.
If you want to use CTRL Key, then you should first press the CTRL key and then hold till the message displays in your window during Excel startup. At last, you should select yes option in order to start your Excel in safe mode.
2. Delete Files From The Folders:
There are files which open while starting Excel, are saved in the alternative startup folders or the XLStart folder. If the user wants to delete these files from the XLStart folder, then in your Window screen, you should click on Start option and then select Run. Then in the Run dialogue box, you should type any one of the following:
For Windows OS 64 bit:
C:\Program Files\Microsoft Office\root\xx\XLSTART
For Windows OS 32 bit:
C:\Program Files (x86)\Microsoft Office\root\xx\ XLSTART
At this point, you should remove the files which you don’t want to get automatically open when you start Excel or if you move files to another folder. At last, you need to reboot your Excel.
If you want fix the issue from the alternative startup folders, then you should tap on the File menu in Excel. After this, you need to tap on Options from the menu. Then, you have to select the Advanced option. Now, you should scroll down and then go to General. Here, At startup, open all files: under the general section, you need to clear the box which is next to it. For more details, tap on office.com/setup.
3. Remove Files From Add-Ins:
You need to tap on the File menu in Excel. After this, you need to tap on Options from the menu. Now, you have to select the Add-Ins option. Then, Go to Manage: which is located at the bottom of the page and then select the COM Add-ins option. After this, you need to click on the Go. button. At last, you need to disable the files which you don’t want.
4. Adjust Registry:
You should first back up the registry. For this, click on Start and then search for regedit. After this, select regedit and tap on the File menu in Registry Editor. At this point, you need to select the Export option. Now, you need to select the range of Export All.
After registry backup, you should adjust the registry. For this, close all of your Excel Instances. And then you have to open Registry Editor. Here, you should go to this path:
Now, tap on Edit from the menu. And then select the New option. After this, select the DWORD value. Here, you should add one entry DisableMergeInstance. Then, you have to right-click on DisableMergeInstance. Next, you need to select Modify. At last, you have to fill 1 in the Value Data box and then tap on Ok button. The above method helps to fix the issue if Excel Opening Multiple Files during Startup. If the user need help, then visit www.office.com/setup.
check here this link: If System Cannot Move the File To Different Disk! How to Fix it