SHARE, Export, CLOSE

Share
Share a document using OneDrive: Does this sound painfully familiar? You email your coworkers a file. They add their feedback, and then you have to integrate comments and changes from 3 or 4 copies of your original.
 
There is another way. If you have an account on Microsoft OneDrive, you can save your Word files to one of those places, then use the Share command to let others read or edit your copy of the file. No more file pile, just one copy with everyone's feedback. (Exactly what they can do to your file depends on the permissions you give them).
 
Once you add the people or email addresses, if you need to delete one more members from the list, you can follow the steps: Under Share with People (Invite People), right-click the person you want to remove and click Remove User.
 
How to share current document with another people/pc who/which are connected to your PC in the “Homegroup”?
= Click File Menu => Click Share Tool => Select Share with People => Click Save to Cloud icon and then select the location (You have shared folder with other people in the Homegroup) to save, then follow the steps to Save.
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For understanding, look at the screenshot please:
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​Export
In the Word 2016 document format and PDF, you can export your document into other, common file formats. These formats allow for easy document sharing, although they aren’t as common as they once were.
 
How to export current word document to another type of extension like “PDF” from MS Word extension?
Click File menu => Click Export menu => Select Create PDF/XSP document => Click Create PDF/XSP icon => select the location that you want to save and then Type a file name (ex: MS Word) => Select the option “Standard” and then Click Publish Button.

For more understanding, look at the screenshot please:
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Close: (Alt+F4)
If you need to close the present document, you can close it via close menu or button on the top right corner.

​How to close the active Word document?
Click file menu => Click Close (if you are not saved your document yet, it will ask you to save, then you can continue to Save pathway).

For more understanding, look at the screenshot please: