How to work with protected view in microsoft office

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Files from the Internet và from other potentially unsafe locations can contain viruses, worms, or other kinds of malware that can harm your computer. To help protect your computer, files from these potentially unsafe locations are opened as read only or in Protected View. By using Protected View, you can read a file, see its contents & enable editing while reducing the risks.

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Note: If your machine has Application Guard for Office enabled, documents that previously opened in Protected View will now open in Application Guard for Office.


Included in this article

Why is my tệp tin opening in Protected View?

How vì I exit Protected View so that I can edit, save, or print?

Why can"t I exit Protected View?

A problem was detected with my tệp tin

I want lớn change my Protected View settings

I want to revoke trust from a document/documents that I"ve previously trusted khổng lồ not open in Protected View

Protected View Trust Center settings explained

What happens to add-ins in Protected View?

What happens lớn cloud fonts in Protected View?

How vì I use Protected View with a screen reader?

Why is my file opening in Protected View?

Protected View is a read-only mode where most editing functions are disabled. There are several reasons why a file opens in Protected View:

The file was opened from an Internet location - When you see the message in Protected View that says "Be careful - files from the Internet can contain viruses. Unless you need lớn edit, it"s safer to stay in Protected View.", the file is being opened from the Internet. Files from the Internet can have viruses & other harmful content embedded in them. We recommover you only edit the document if you trust its contents.

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The file was received as an Outlook attachment and your computer policy has defined the sender as unsafe - When you see the message in Protected View that says "Be careful - email attachments can contain viruses. Unless you need to lớn edit, it"s safer to stay in Protected View.", the tệp tin was received from a potentially unsafe sender. We recommend you only edit the document if you trust its contents.

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The file was opened from an unsafe location - When you see the message in Protected View that says "This tệp tin was opened from a potentially unsafe location. Cliông xã for more details.", the tệp tin was opened from a folder that is unsafe. An example of an unsafe location is your Temporary Internet Files folder. We recommkết thúc you only edit the document if you trust its contents.

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File validation failure - When you see a message in Protected View that says "Office has detected a problem with this tệp tin. Editing it may harm your computer. Cliông chồng for more details.", the file didn’t pass file validation. File validation scans file for security problems that can result from changes in the file structure.

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The file was opened in Protected View by using the xuất hiện in Protected View option - When you see the message in Protected View that says "This file was opened in Protected View. Clichồng for more details.", you chose lớn open the tệp tin in Protected View. This can be done by using the mở cửa in Protected View option:

1. Cliông xã File > Open.

2. On the Open dialog box, cliông xã the arrow next khổng lồ the Open button.

3. From the danh mục, cliông xã Open in Protected View.

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The file was opened from someone else"s OneDrive storage- When you see the message in Protected View that says "Be careful - This file is from someone else"s OneDrive sầu. Unless you trust this person và want to lớn continue collaborating with them, it is safer to stay in Protected View.", you opened a document from a OneDrive thư mục other than your own, for example, when someone has shared a tệp tin in OneDrive with you. Such files may be untrusted & could beused to cause harm khổng lồ your computer. We recommend you trust documents only if you trust the person to lớn whom this OneDrive sầu location belongs.


Notes: 

This functionality is currently only available in ahtq.vn 365 clients.

Once you clichồng "Trust Documents From This Person" all subsequent documents shared from this OneDrive sầu location will no longer open in Protected View.


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Important: Administrators can customize the danh mục of potentially unsafe locations khổng lồ include additional folders they also consider unsafe.


How vì I exit Protected View so that I can edit, save sầu, or print?

If you must read the file, and don"t have lớn edit it, you can remain in Protected View. If you know the tệp tin is from a trustworthy source, và you want to lớn edit, save, or print the tệp tin, you can exit Protected View. After you leave Protected View, you"ve effectively remove sầu read only, and the file becomes a trusted document.

Exit Protected View và edit when the yellow Message Bar appears

On the Message Bar, clichồng Enable Editing.

Exit Protected View & edit when the red Message Bar appears

Cliông xã File > Edit Anyway.


Why can"t I exit Protected View?

If you can’t exit Protected View, it"s possible that your systems administrator has rules established that prsự kiện leaving Protected View. Speak to lớn your administrator khổng lồ determine whether such rules have sầu been made.

A problem was detected with my file

Office found a problem with your file and it might be a security risk. Opening the file in Protected View helps protect your computer & we recommkết thúc that you edit the file only if you trust the person who sent it lớn you, và if the file doesn’t look suspicious.

Why vày I see this message?

This message can appear for a malicious file, which was created by a hacker lớn infect your computer with a virut or steal important information. This message means that editing the tệp tin could be dangerous. Sometimes the message appears for files that are damaged, for example:

The disk where the tệp tin is stored could be worn out or broken.

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The file was created or edited with a program that has a problem.

An unexpected error occurred while copying the tệp tin khổng lồ your computer, which can be caused by a problem with your Internet connection.

There could be a problem with how Office looks for problems in files. We work khổng lồ make it better, but it’s not perfect.

Can I edit the file?

If the file is from someone you know và trust, you can choose to edit it. But we recommover that you avoid editing a file that seems suspicious. For example:

The file came from someone you don’t know or trust.

You weren’t expecting lớn receive the tệp tin or it doesn"t seem like the kind of file that person would send you.

The content of the file seems unusual, for example, it appears lớn be a bill for something you never bought, or it’s causing your computer khổng lồ display errors.

If the tệp tin seems suspicious, cthất bại the tệp tin và delete it from your computer. We recommkết thúc you don’t edit it. To ease suspicion, you can hotline or tin nhắn the person who sent you the tệp tin khổng lồ confirm.

The following image is an example of the Edit Anyway button in the Office Backstage view.

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What Office file types can cause file-validation errors?

Word 97-2003 files (.doc, .dot)

Excel 97-2003 files (.xls, .xla, .xlt, .xlm, .xlb, .xlt)

PowerPoint 97-2003 files (.ppt, .pot., pps, .ppa)

I want to change my Protected View settings

We advise speaking with your administrator before you make changes khổng lồ your Protected View settings.

Click File > Options.

Cliông xã Trust Center > Trust Center Settings > Protected View.

Make selections that you want.

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Protected View Trust Center settings explained

Enable Protected View for files originating from the Internet The Internet is considered an unsafe location because of its many opportunities for malicious intent.

Enable Protected View for files that are located in potentially unsafe locations This refers to folders on your computer or network that are considered unsafe, such as the Temporary Internet thư mục or other folders assigned by your administrator.

Enable Protected View for Outlook attachments Attachments in emails can come from unreliable or unknown sources.

I want to revoke trust from a document/documents that I"ve sầu previously trusted lớn not open in Protected View

If you previously trusted a document or documents to open outside of Protected View by either (1) clicking "Enable Editing" or "Trust Documents From This Person" in the message bar or (2) clicking on "Edit Anyway" when the tệp tin fails validation, please refer lớn guidance under Trusted documents for removing this trust decision and making such documents re-open in Protected View.

What happens to add-ins in Protected View?

Add-ins may run when a tệp tin opens in Protected View, but may not function as expected. If your add-ins aren’t running correctly, liên hệ the add-in"s author. An updated version, which is compatible with Protected View, may be needed.

What happens lớn cloud fonts in Protected View?

It"s possible the person who sent you the document used a cloud fonts, which is a font that doesn"t ship with Windows or Office but which must be downloaded from the Internet the first time it"s used. If so, và it"s a fonts you don"t already have sầu installed, that font won"t tải về while you"re in Protected View. Word will try to substitute another phông that will hopefully look okay. If you"re confident that the document is safe, & want lớn see it the way the author intended, you"ll need khổng lồ enable editing so that Word can tải về và install the correct phông.


Note: If Word is unable lớn find any compatible fonts to substitute you might see black boxes where the text should be. Enabling editing so the correct fonts can tải về should fix the problem.

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How vì I use Protected View with a screen reader?

When you are in protected view, editing is locked, so you can"t cursor around the document as expected. However, if you need khổng lồ navigate through a document in Protected View with a screen reader, you can press F7 lớn turn on caret browsing. This action should allow you to navigate through the text without being in edit mode.


Chuyên mục: Tin Tức