• Microsoft Word The Directory Name Isn't Valid
• What Does It Mean When Microsoft Word Says The Directory Name Is Not Valid
• What To Do When Microsoft Word Says The Directory Name Is Not Valid

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Mar 21, 2019 Please try to open Word in Safe Mode to have a check: Press Windows + R to start Run, type the command winword /safe in the box. After you open Word in Safe Mode, click File Open to open a document in Word. Does the issue still occur? Please try to reset your Word options and registry settings to have a check.

Many users who did a Windows 10 upgrade reported that they have encountered 'the directory name is invalid' error while plugging their USB flash drive, external hard drive or SD card into PC.

Part 1. Fix the Directory Name Is Invalid Error in Windows 10

Being caught by this problem, they will not be allowed to open the device and access your data there. Here, you can get help no matter you want to recover data in Windows 10 or get the problem fixed:

Microsoft Word The Directory Name Isn't Valid

Method 1 - Change USB Port

When it reports 'the directory name is invalid' error in Windows 10, the first thing you can try is to re-insert or replug the external hard drive, USB or SD card via another port. Some users said changing the USB port solved the problem.

What Does It Mean When Microsoft Word Says The Directory Name Is Not Valid

Method 2 - Check Disk Errors

If this does not work, connect the device to another computer to check if can be opened or not. If the device can not be accessed, try to check and repair disk errors in Windows 10. Otherwise, it suggests that 'the directory name is invalid' error has nothing to do with disk corruption and you have to try other ways to get the error fixed.

What To Do When Microsoft Word Says The Directory Name Is Not Valid

Method 3 - Update Disk Driver

After ruling out the possibility that 'the directory name is invalid' error appears because of USB ports issue or disk errors, we can guess that the problem might stem from disk driver. In this case, we recommend you to try to update the disk driver and check if it helps.

Step 1: Press 'Windows + R' Key.

Step 2: Type devmgmt.msc and press 'Enter' to open device manager.

Step 3: Expand 'Disk Drives'.

Step 4: Right-click on the external drive, USB or SD card driver and click on 'Update Driver Software'.

Part 2. Recover Data After Fixing 'The Directory Name Is Invalid' Error in Windows 10

If 'the directory name is invalid' error still persists or any data loss happens during the fixing process, you can try EaseUS disk data recovery software to scan the external hard drive, USB or SD card to find and retrieve your important files.

Now please watch this video tutorial to see how to recover data with EaseUS Data Recovery Wizard.

• Step 1. Select a location to scan.
• Step 2. Select files to recover.
• Step 3. Recover lost data.