Step 1: Open Chrome, click the three-dot button and choose Settings. Step 2: Scroll down to locate the Privacy and security section, and then click Security. Step 3: Under the Safe Browsing section, you can see three browsing protection options. To unblock downloads, you can choose the Standard protection option.Mar 11, 2022
Source : https://www.quora.com/How-do-I-unblock-downloads-on-Chrome-Android
You can easily change your default PDF viewer from Windows 10 to Microsoft Edge by following these instructions:Go to Settings.Select Apps.Choose Default apps.Select the Choose default app by file type option.Select the current default app for the PDF file format and choose the app you want to make the new default.
Source : https://www.adobe.com/acrobat/hub/how-to-change-your-default-pdf-viewer.html
Using Your Android's File Manager It's the icon with a square made of several smaller squares or dots. You'll usually find it at the bottom of the home screen. If you're using a Samsung Galaxy 8, swipe up from the bottom of the screen to open the app drawer.
Source : https://www.wikihow.com/Open-File-Manager-on-Android
Most modern web browsers like Google Chrome, Mozilla Firefox, Microsoft Edge, and Safari have free built-in PDF viewers. Simply drag and drop the PDF into an open browser window, and the integrated PDF viewer will display your PDF, allowing you to view the contents without the need to pay for additional software.
Source : https://xodo.com/pdf-viewer
iPhones can't open greyed files. When an iPhone can't open a specific file type, it greys out the file in your selector, making it unclickable. This will happen if you don't have the right viewing software downloaded to your device. The most common type of greyed-out file on iPhone is a PDF.
Source : https://www.adobe.com/acrobat/hub/why-pdf-files-are-grey-iphone.html
Where to find downloads on your iPhone or iPadOpen the Files app. Don't have the blue Files app icon on your Home Screen? Swipe down from the center of your Home Screen, then search for the Files app.Tap the Browse tab.Tap iCloud Drive.Tap the Downloads folder to see your downloaded files.Oct 13, 2023
Source : https://support.apple.com/en-us/102440